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monitor went black with blinking LEDs

Q: monitor went black with blinking LEDs

I saw this ad on craigslist for a free monitor.

The following description follows:

The model is a Dell UltraSharp 1702FP. I don't know exactly what's wrong with it; about two weeks ago in the middle of use, the screen suddenly went black and the LEDs started flashing in a pattern.
any ideas?

A: monitor went black with blinking LEDs

7 more replies
Answer Match 91.14%

My HP Pavilion DV7 notebook running Windows 7 went either to sleep or Hibernate and will not wake up. Hard shutdown and re-booted. All lights come on but get a black scree with the Cap lock and Num lock led blinking (pos BIOS). Blinking has no pattern simply blinking. Noticed the HD led not doing anything either. Trouble shoot attempted. 1. Unplugged all externals, removed Battery, unplugged power and held down start button for 1 min. No resolve. 2. removed HD and dim chips and re-seated then performed step 1. no resolve. 3. removed cmos battery for 10 min reinstalled and performed step 1. Still no resolve. Anyone have any other Ideas? Note; black screen so no access to any desktop ect. Also attempted attaching an external Monitor no signal noted.

A:boots w/black screen and cap & num lock leds blinking

6 more replies
Answer Match 91.14%

Computer turns on you can hear the fans running, but there is no display. LEDs blink one time which according to HP means CPU failure, I have replaced both motherboard and CPU before, still nothing. I have reshocked the motherboard and it worked for about 9 hours then failed to show a screen again. 

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Answer Match 73.08%

I need some help. I have acomputer monitor that is roughly 10 years old. THe monitor last night decided to suddenly turn off and the power button started blinking. I unplugged the power to the monitor and let it sit overnight. This morning I went and plugged the power back into the monitor and pressed the power button on it. When I pressed the power button the button started blinking again. I have never had a monitor die like this and I would like to know why it died and if it can be fixed. Some more info is that i had only been on the computer for less than 2 hours. I have not spilled anything on the computer, the vent is completely uncovered, and the computer is in good working conditions according to the mannual. I need to know asap please. The tower still works perfectly fine it is only the monitor.

A:Monitor is black and the power button on the monitor is blinking

If you could try the monitor on another PC, that would confirm the monitor is faulty. In any case if the monitor is bad and considering its age, it would be best to just replace it. It would not be worth fixing.

2 more replies
Answer Match 71.4%

Thanks ,..this laser printer DELL 1710n when I turn on , just all leds from panel stay blinking ,...any Idea ? ,..could you help me ? what can I do ?,....thanks

A:Printer Dell 1710n LEDs blinking

Remove the toner cartridge and check to see if any paper is jammed in the printer. Re-install the toner cartridge and see if the printer starts normally. If the lights still flash, the printer could have a power supply problem, and it needs servicing

3 more replies
Answer Match 71.4%

I used to download SSC Utility, but the my printer model doesn't support this and i used to download another software named Adjustment Program for my Epson Stylus T10, but I don't know how to use this for the alternate blinking of my printer, any response will very much appreciate, ^_^

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Answer Match 69.72%


This evening I decided to reboot my personal computer, which uses Vista. Up until this point it had worked fine, including earlier today. Every time I attempt to reboot it, it starts by bringing up its normal white screen about being a gigabyte motherboard. It then never shows any of the data involved with the reboot - instead, it goes straight to a completely black screen, and stays on it indefinitely. There is a blinking green light on the monitor. As the light blinks, there is a faint "clicking" or "flickering" sound.

I have attempted multiple computer restarts, adjusting the monitor cords. None of it has had any effect. There is no error message, at least not that I've had the ability to see. As I cannot see anything happening on the screen, I do not know if this is purely a graphics problem or if there is also a problem with the computer.

Thanks in advance for any advice...

A:On reboot, black monitor & blinking light

Is it posting first of all?
Have you re seated your graphics card?
What are your system specs?

2 more replies
Answer Match 69.72%

Hi guys,

Yesterday i opened my computer (Toshiba Satellite U940-11T) to check the fan and to clean it.
Today when i try to turn on my computer it doesnt work as expected.

First, the motherboard fan launch then stop.
Second, the front LEDS (power and CPU) are white, no blinking.
My computer seems to be ON but screen doest work... i can hear the fan going slowly...

I tried to turn off, take out the battery and take out charger, then hold on power button 30s then turn ON again but i doesnt work....

i am going totally crazy, i was so proud of doing this quickly and on a good way... but loks am wrong.

What can i do ?
What does that mean this two whites LEDS no blinking ?

A:Satellite U940-11T - Doesn't turn on - white LEDS (no blinking)

Obviusly the troubleshooting assistant says there is no solution i need to repair (and buy warrantly extention, thank you Toshiba to help me, last time i buy computer from you ^^)

5 more replies
Answer Match 68.88%


Im new here so sorry if this is the wrong place to post this.

Here is my problem:

I have just recently purchased a new Philips HDTV (32") and I have connected my pc to it via hdmi. I use a dvi-hdmi converter via the DVI port on my graphics card (NVIDIA XFX GeForce GTX 260).

The screen blinks and changes to black for a second usally displaying no signal or unsupported format in the top right hand side of the screen. Then it switches back to normal. The blinking happens randomly but never takes longer than a few minutes to happen.

I have all the latest Nvidia drivers installed.

One more thing I had a 32 inch tv before this one and it worked ok. It had issues with the text being blurry and it ended up blowing .

But any help would be really appreciated!

Thanks in advance!

A:HELP! Using HDTV as monitor, screen is blinking black then normal again!

10 more replies
Answer Match 68.88%

I think this is a video card error but am not sure. I did restart my computer in safe mode and it works fine this way. I did update my driver but it didn't help any. I am getting a full black screen that sits there for 3-7 seconds then you see the internet explorer page then when I try to search or go anywhere theres the black screen again. I only put the computer in safe mode to see if it was the monitor or not. Ive never had this happen before. Please help!

A:Windows XP black blinking monitor/NV4_disp error

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Answer Match 68.46%

Hello there i got this problem my computer started by indicating error(PRI Master Hard Disk:S.M.A.R.T Status Bad,Backup..) and not loading the OS Win 98 just a screen written Win 98.I then removed the hard disk(Fujitsu MPF 3102AT) and checked it on another computer i got the same result,when i placed back the hard disk so that i could upgrade the OS to Win XP,my monitor would not show anything.The power light would light up green but after a few seconds it start blinking green.The CPU is running on P111.Pliz help.

A:Monitor showing a blinking green light and screen is black.

Welcome to TechSpot, adad

adad said:

(PRI Master Hard Disk:S.M.A.R.T Status Bad,Backup..)Click to expand...

That says it all - your hard disk drive is failing (S.M.A.R.T. = Self-Monitoring Analysis Reporting Technology).

6 more replies
Answer Match 58.38%

Hello I have quite a frustrating problem, last week on my last PC I was having problems with it slowing down in games even though it was more than fast enough to handle them, after trying to trouble shoot it, my screen randomly went black after I restarted it the front LEDs wouldn't turn on, my keyboard and mouse would not light up and the screen was black, though all fans would turn on, so I started to trouble shoot, I bought a new PSU, I tested my GPU in my roommates computer. And I replaced the ram with my roommates ram, I posted on other forums and they said it was likely my mobo or CPU, so I went ahead and used it as an excuse to upgrade, I bought a new core i5 4690k CPU and an MSI z87 mobo, put everything together and still the exact same problem. The only components I haven't replaced are the fans and my computer case / power button and audio/USB jacks. I don't know what to do now, could it be that there is something wrong with my power button coming from the case that is causing all this? (Note the front LEDs flash for a split second when I turn the PC on or off)

A:Solved: brand new PC won't turn on, fans start but no front LEDs or signal to monitor

16 more replies
Answer Match 54.6%

I'm not very knowledgeable when it comes to computer, ah, specs (or finding information about the one I have)... so I don't have much for you to go on.

Computer is a Dell, with Windows XP Home Edition. Monitor is LCD.

A few days ago (around Wednesday morning) my monitor began to click on and off. The screen would flash black and the light, next to the on/off button, would flash from green (on) to yellow/orange (off). At first it wasn't that bad. When I switched pages on the internet, scrolled, or highlighted something on the page it would flash.
It steadily got worse, going from internet pages to flashing on and off right when I turned the computer on, all through the loading and welcome screens.
I thought maybe it was just the monitor, so I switched it out and hooked up my old hp pavilion mx70 monitor.

That monitor worked perfectly fine with my old tower, but when hooked up to my new one it... Erm, got 'static-y'. It looked like an old TV that had a VHS tape in the player, being re-wound. I know that sounds odd, but it was like spikes from the side of the screen surging inwards. I thought it was because the monitor was so much older than the tower. Soon the static got steadily worse, and I used it for about a day before it got to be too much.

I switched to Safe Mode with Networking on the hp monitor, to see what would happen, and it was fine! No static. Today, I switched back to my LCD monitor and put that into Safe Mode with Networking and no b... Read more

A:Solved: Monitor or Tower problem? Monitor is blinking on and off.

Video card is busted. When in safe mode, the video card's drivers are not loaded, so the card does not function at "full blast". It will not cause trouble because of that.
Dell model would help finding a replacement, but it can well be assumed that there's a PCI-E 16x slot for add-on graphics. This would be a cheap replacement in that case:

This is all an assumption on the most propable cause. The problem could also be your power supply or motherboard, but those are pretty unlikely.

2 more replies
Answer Match 51.66%

long story incoming :9

Okay well I recently restarted my computer and was stuck with a black screen with a blinking __ after my video card bios popped up.

So I kinda freaked out and restarted it again trying to get into safe mode, did not work at all so I restarted it again and left it on.. nothing happened so I walked upstairs to go on my laptop to think of some stuff that went wrong.. I probably left for a good 25minutes..

I figured my harddrive died/my windows OS got corrupted because nothing was booting.
Came back downstairs and restarted it again... and now it is properly working..... my problem is I'm kinda afraid to restart it again and have it not properly work..

is there anything I can do to backup my data like move to somewhere safe on my hd if i wanted to reinstall windows?

I have everything on the C:/ Partition which means if I wiped it I would lose everything if I'm correct and i have a good 25gigs of music and games I would hate to re-download/install.

and the last question is if i was to just buy another harddrive could i use this one im using now as a slave even if it has windows on it, it wouldn't boot the windows and i could get the data off of it?
perphaps nothings wrong and is was a fluke??

thanks for the help

A:blinking black screen..

10 more replies
Answer Match 51.66%

Hello Everyone,

I will try to keep it brief (fat chance), hence the list. BTW, what is the prize for the longest post in the history of the forum? I prefer cash.

1.Thanks for making this fantastic forum available and for all of the help you provide.

2.I noticed several Vets, and maybe there are actives among you? I spotted one person that is a gold star parent. Thank you all for your service and the sacrifices you and your loved ones made to keep us, and most of the world, free.

3.I try to avoid posting for help. I try to be self-sufficient by reading a lot of the earlier posts and trying the suggested fixes.

None worked for me so here I am. Yet another among the needy.

Here is a list of before the problem, the problem, and what I did to attempt a fix.

1.Battery near collapse. Said fully charged but only lasted a very short time before low batt alert.

2.Updated Java JRE 32 & 64 and plugins for FireFox and IE. It was a struggle. Finally went to for a utility that succeeded.

3.Lappy starts with the Gateway splash and then goes to black screen, blinking cursor and beeping. Perfectly matches the beat of "Stayin' Alive" (BeeGees disco hit).

4.F2 to access BIOS, and F8 to access Win7 options both work.

5.I press any key during the beeping and Win7 login proceeds as usual.

6.Win7 performs "same as it ever was" (Talking Heads) after the login.

7.I have done many things, but NOT used my day 1 recovery discs or the top secret, hidden... Read more

A:Black, Blinking & Beeping

OK, I can take a hint. The silence is deafening. Maybe the broader the bandwidth the thinner the skin?

The lappy behaved normally for some reason I don't understand. The same again this evening. Puter heal thyself!

This is still a fantastic forum, the silent treatment notwithstanding.
Thanks again for the folks that post solutions and especially to the Vets among you.

1 more replies
Answer Match 51.66%

I'm sorry for causing trouble but i really don't know what to do. My last resort is to reformat and i was hoping it won't come to that.

My PC is a pentium 4 windows xp.
it was doing fine a week ago until i noticed that the screen randomly blinks like it turns on and off but the monitor does not turn off its just the screen that turns black. It happens randomly. at first it rarely happens like there are days when the pc didn't have anyproblems at all. and we ignored it but now its starting to get frequent. what's worst is that the PC hangs a lot specially when i use the internet or photoshop.

the blinking starts it happens during while i'm downloading a site or doing something in word or photoshop. i think when the pc is the screen turns black then comes back again. i hope i'm not confusing you guys i am trying to explain my problem to the best of my amatuer abilities

i just want to know what's wrong with my pc. if it's a virus a video card problem if it can be fix or my PC is DOOomED HUHUHUu T_T
Please HELP ME!
thank you very much!

A:Black Blinking Screen

First check for virus and adaware, then if possible try another monitor with the pc, this will tell you if it is the video card or the monitor. That is if the monitor works ok on the other pc of course.

good luck.

3 more replies
Answer Match 50.82%

Hello and sorry for the generic title:
Recently my computer closed all programs and continued to shut off. When it came back on, it was able to get past the Dell Logo Screen but could not continue to the login screen, instead it loaded a Black Screen with a Blinking "underscore" cursor on the Top Left-hand of the screen.

Prior to this, a process called "svchost.exe" used an abundancy of memory and caused my computer to lag very badly, I found that while "svchost.exe" is a commonly used, important Windows process, many viruses and trojans can disguise themselves by naming their process this. I used a program called "Process Explorer" to ultimately "Suspend" the Process right before it used alot of memory, and I was able to use my computer without problems from then on.

While trying to solve my Black Screen issue, I found a Thread on the hp forums that had a similar, if not exact, replica of my issue. The link is here:
Black Screen w/ Blinking Cursor - HP Support Forum - 1330837

I thought it was weird that with the Black Screen I had, I only had to press the Power Button once to turn my computer off, rather than hold it down. Ultimately, I followed DavidPK's solution, created a Windows 7 Recovery Disc, and as I was trying to presumeably reset or rebuild my BCD, I found that my Black Screen issue had not been solved.

Overall, I still believe the issue is due exclusively to the svchost.exe that plagued my computer with hig... Read more

A:Black Screen with Blinking Cursor

Hi tracethom,

From your description, the issue appears to be 'software related'. Since the system goes past the 'Dell logo', it may be a corruption on the 'Operating System'. However, I recommend you to run 'hardware diagnostics' to check 'hard drive' functionality. This will eliminate the possibility of 'hard drive' as the root cause of this issue. This becomes even more important, as you've mentioned about the system shutting down on previous occasions.

To run 'diagnostics', restart the computer > Repeatedly tap 'F12' key at 'Dell Splash Screen' > Use 'arrow key' to highlight 'Diagnostics' > Tap 'Enter' > Capture error, if any and share details.

You may also try the following steps (If the diagnostics pass) to see if they help:
1. Unplug all devices from the system and release the static charge: Unplug all the external peripheral devices from the system (USB Devices, Monitor cable, Power cables, etc) > Press and Hold down the 'power button' on the tower for 10 seconds continuously > Plug the 'power cables' back in > Plug the monitor cable, keyboard and mouse > Try powering on the system only with the basic (essential) devices attached > Repeatedly tap the 'space bar' at the 'Dell splash screen' > Confirm 'Delete Restoration Data' if prompted.

2. If the issue persists, restart the system again > Tap 'F2' key repeatedly at Dell splash screen (BIOS screen appears) > Check if the 'Hard Drive' is detected here (Capture and share the detail... Read more

1 more replies
Answer Match 50.82%

I can't get my puter to boot. When turned on it goes to black screen and blinking cursor. I can't afford to lose my files.

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Answer Match 50.82%

Well, basically what happened was I fell asleep and left my computer on.
When I woke up, it seemed to be kind of dead, it wouldn't turn off but it wouldn't do anything either. It looked like it wasn't connecting to the monitor. So I pull the plug, and try restarting it, it hits something similar to the problem before.

I do it again, it loads up this time. Everythings fine and dandy for a while, and then it locks up, first Mozilla Firefox freezes up, then a few other programs, then I hit the start button, it seems to work, for a second. Then it locks up showing only the skin of the start(No programs appeared or anything, only the black outlining of Vista). It seems the computer has frozen.

It won't turn off, so I plug pull. I turn it on. An HP Invent screen appears, and then the black screen with the blinking cursor. I can't do anything here, nothing, except turn the computer off normally.

I can, however, access the ESC, F10, and F11 options when I'm at the HP Invent screen.
So does is it a hardware problem? Or maybe I just did something to corrupt the system?

A:Black screen w/ blinking cursor

It may have been in "Hibernation" and was trying to copy the "In Use files" back to memory from the hard drive.
Now that you have pulled the plug several times Lord knows what has been done your OS and data.

You do have back ups of all your data, right?
Rebuild your machine to factory settings, install programs and restore your backups.

2 more replies
Answer Match 50.82%

Hello, i have a Packard Bell Easynote TJ68 laptop. When i turn it on it comes up with a black screen with a blinking underscore in the top left corner of my screen. F8 does not work and neither does F12 or F2, the menus come up for the latter two but anything i do just puts me back at the black screen again. i cant log in and ctrl-alt-delete doesnt work either. I also dont have any CD's for the OS, the laptop didnt come with any CD's. the laptop is a refurbished one if thats helpful, please help!

A:Black screen with blinking underscore

This normally happens when you have a device plugged in that the computer tried to boot from, i would start by going into the bios and making sure the HDD is the first device to boot in the boot order menu. Just looked then and the key you use to load the bios is F2 ( hopefully that is right) it will tell you briefly when you start-up he machine in any case.

The menu your looking for is normally Boot with a sub menu along the lines of " Boot Order" or "Boot Priority".

Sorry i cant be more specific about that part..

Anyway, give that a go and let us know.

2 more replies
Answer Match 50.82%

Hello threadreaders,
My little brother has a problem with his pc: He can't start it up normally because he gets stuck on a black screen with a blinking cursor. But he can boot the pc via the boot menu.
His OS is Windows 7 Home Premium 32-bit.
If you need additional info reply and I'll give it asap.

A:Black screen with blinking cursor

Try this on the affected machine:
Some hardware tests to run.

Graphics card:

Hard drive(s):
Pick one for your HDD brand or use Seatools.
7 Free Hard Drive Testing Software Tools

RAM (memory):
This will require memtest on a bootable CD or USB stick.
RAM - Test with Memtest86+

3 more replies
Answer Match 50.82%

I have a dell desktop, i used crap cleaner and uninstalled some programs that i was no longer using, restarted and now i have a black screen with blinking cursor in top left hand corner. It just beeps when i attempt f2 or f12 after starting it. I hear the fans, and other "wirring" but nothing else happens. Did i screw up with crap cleaner with my registry?

A:Black screen with blinking cursor

7 more replies
Answer Match 50.82%

Ive bought a new hdd and installed win 8 in it and copied a bunch of files.. And now when install windows 7 on it after my boot screen i get black screen with a Blinking cursor on the top left
Now what should I do to boot into win 7..

A:Blinking cursor with black screen..

Hi Suresh, Welcome to Sevenforums.

Did you install Win 7 on top of Win 8? or did a clean install of Win 7 after removing Win 8? or are you trying to make it a dual boot PC?
Check out this link. Might help you.

2 more replies
Answer Match 50.82%

So I was using my (obviously) XP desktop, a Dell Dimension 5100C. I've had it for a few years, and to my knowledge have never opened it to add new parts or anything. Today when I was using it, it randomly turned off. Now, whenever I turn it on, i get a black screen and a blinking underscore. First, it loads the Dell logo and gives me two options: F2 and F12. I tried F2 but I couldn't really find anything. Then I did F12, the boot menu. It listed 2 options: Onboard SATA hard drive, and Onboard USB drive. I tried the first option, and it just froze on that screen. I tried the second, and it said that the drive was not found. I really don't want to format the harddrive since I have sensitive information on it. Any ideas?

A:Black Screen with Blinking Underscore

i believe your hard drive is dead

even if you did run the reformat disc it wouldnt do anything.
but if you want to test it put in your recovery disc and continue thru the options but stop before it actually starts wiping the drive.
if it goes anywhere you have a different problem
but if it doesn't detect any drives than its dead

2 more replies
Answer Match 50.82%

Computer: DELL Inspiron 9400
OS: Windows Vista

So, my cousin gave me his laptop last night and said it wasn't working. He told me that it was a black screen and that was it. I gave it a look and started it up last night. The computer began to start and you saw the Dell splash screen, which read: DELL MPO61 Series, Bios Revision A09. In the upper right-hand corner there was the option to press F12, which gave you access to the Boot Menu, and F2, which gave you access to the Setup.

I thought it was something with the BIOS and that it needed a System Restore with a repair disk. I did research and was reading about everything from laptop screen issues to HDD failure to SATA failure. So, I did the following:

I entered F2 and changed the Boot Sequence to Internal HDD, which still gave me the black screen with the blinking cursor. The Boot Sequence was on CD/DVD.

I entered F12 and tried a one-time boot from the Internal HDD, which gave me the black screen with the blinking cursor again.

In F12, I also entered the Diagnostics and ran a PSA+ Pre-Boot System Assessment. The diagnostics checked everything from the system board to the hard drive to the cd-rom to the video card and lcd and memory. Everything passed the diagnostics tests. I'm a bit confused.

If I can't boot from the HDD, but the diagnostics is telling me that it ran a DST short test and that it passed, is the drive still good? Or is the drive toast?

Also, I tried F8 and logging into safe... Read more

A:Need help with black screen and blinking cursor

Hello PAnewb and Welcome to PCHF

Do you have access to another system?
You can download a LiveLinux and check the HDD from there.

1 more replies
Answer Match 50.82%

I have a Sony Vaio Laptop # VGN-N130G running Windows XP Media Center 2005...ok here's the problem, yesterday I was browsing on the internet & Avast or Ad-aware popped up letting me know that the site was unsafe & it closed the browser.....I don't remember the exact message anyway a few seconds later all of my open windows closed & the laptop shut down. I tried to re-boot but it just comes up to a black screen with a blinking cursor in the top left corner. I can not get into safe mode at all.... I can only get into the bios screen. I have tried F8 F5 control alt delete....nothing works. I found all of the software that came with the laptop (it's about 3 years old) but the only CD in the package was the Microsoft office CD. I have tried a bunch of free rescue CD's & the only one that worked was Avira Rescue AntiVir but it did not find any infected files. While looking for the Vaio cd I found my Gateway desktop Operating system CD (Windows XP media center 2005).....put that in to try & use the recovery console, it was loading to the part where you type in R then after the next screen it froze and will not go any when I put the CD in.....there is nothing just that blinking cursor. UGH!

A:Black screen with blinking cursor

9 more replies
Answer Match 50.82%

Windows XP HE, on a Dell Dimension. While surfing the web last night, my son's computer had a "window pop up" that said something about an illegal action, with part of his name in it? He said he thought it must be a virus so he turned off the machine right away, and now it is a black screen with a blinking curser in it. I have the disks that came with the machine, but I cannot get to any screen that works. The CD Rom door opens, but only makes a whirling sound, nothing, nodda. Fans come on, etc.
Any Advice?
Thank you ...

A:Blinking Curser on Black Screen

13 more replies
Answer Match 50.82%

Hello all I really need help everytime I try to turn on my windows 7 laptop it goes to a windows screen for a few seconds then gets stuck on a black screen with a blinking cursor. I don't know what's wrong. Please help :)

A:black screen with blinking cursor

It seems there is a hardware failure preventing Windows from booting all the way.

Try doing these steps:

1) Remove all removable storage media (CDs, DVDs, USBs)

2) Disconnect everything from the computer except the mouse, keyboard, and monitor.

3) Restart the computer

4) Press the F10 key during the startup screen until you enter the Windows Setup options

5) Press F5 to restore default settings, and press YES to confirm.

The computer should restart

6) If prompted, start Windows normally

Once you're at your desktop, plug in your devices one at a time to find the one that may be causing the problem.

Check for more info

1 more replies
Answer Match 50.82%

I have a sony vaio vpceb11fm laptop. the moment i turn it on i get the vaio sign and then a black screen with a flashing cursor on the top left hand corner i tried f10 to recover the system but come across the same problem.

A:help black screen with blinking cursor

Sounds like the hard drive is not recognized or has no Master Boot Record. Can you get into the BIOS (Setup)? If so, see what you can learn there about the hard drive. If there are any diagnostics there test the drive.

2 more replies
Answer Match 50.82%

Hi guys, so I have been doing EVERYTHING off my work computer since my home laptop had this mishap but I've decided it's time to see if I can fix this thing. 
My computer with the problem has Windows Vista operating system.  When I start it up, it only goes to a black screen with a blinking cursor.  I cannot press F8 to go into Safe Mode.  I can only press F2 or F12.  Something interesting to point out was that before this happened it seemed like I was getting a random radio broadcast that would start playing on my computer.  I had no idea where this was coming from and didn't know how to stop it. It did not seem to be linked to any browser.
Thanks for your help.  Willing to follow whatever instructions I need.  I did have a problem before and believe I created the ability to startup Ubuntu (sp?) from a usb drive which I still have.  Don't know if that will help.

A:Black Screen with Blinking Cursor

Hello uscsteve,
We apologize for not getting to your topic earlier!! Would you still like assistance with this issue?
If so, could you please tell me exactly what happens when the machine boots? Do you see the Windows splash screen, or does it go directly to the black screen with blinking cursor?
Again, we apologize for the delay!

54 more replies
Answer Match 50.82%

I have a Dell Inspirion 2200. Came with XP upgraded to Vista.

I turned on my computer and you will see the Dell screen and then it just turns into a black blank screen with a blinking white cursor. Before getting to this screen I try to press F2 or F12 but when I do it just goes right back to the black screen so I can't get anywhere. There is no way to get into Safe Mode and I am not sure if I still have any CDs that came with the computer.... Is there any way to fix this or find out what is causing this problem. Let me know!


A:Black Screen with Blinking Cursor

7 more replies
Answer Match 50.82%

My daughters computer went to a Black screen with a blinking cursor in the top left corner. it has been this way since January. I have tried everything with no results until i found another post in this forum for the same problem. I followed the steps and have a FRST file. But now I need the frstlist (I think and hope). 
Thank you so much in advance.
Here is the readout from the frst
Scan result of Farbar Recovery Scan Tool (FRST.txt) (x64) Version: 26-05-2013 04
Ran by SYSTEM on 26-05-2013 22:10:29
Running from G:\
Windows 7 Home Premium (X64) OS Language: English(US)
Internet Explorer Version 9
Boot Mode: Recovery
The current controlset is ControlSet001ATTENTION!:=====> FRST is updated to run from normal or Safe mode to produce a full FRST.txt log and an extra Addition.txt log.
==================== Registry (Whitelisted) ==================
HKLM\...\Run: [cAudioFilterAgent] C:\Program Files\Conexant\cAudioFilterAgent\cAudioFilterAgent64.exe [518784 2011-03-17] (Conexant Systems, Inc.)
HKLM\...\Run: [SynTPEnh] %ProgramFiles%\Synaptics\SynTP\SynTPEnh.exe [2284328 2011-03-23] (Synaptics Incorporated)
HKLM\...\RunOnce: [*Restore] C:\Windows\system32\rstrui.exe /RUNONCE [296960 2010-11-20] (Microsoft Corporation)
HKLM-x32\...\Run: [ISBMgr.exe] "C:\Program Files (x86)\Sony\ISB Utility\ISBMgr.exe" [2757312 2011-02-15] (Sony Corporation)
HKLM-x32\...\Run: [PMBVolumeWatcher] c:\Program Files (x86)\Sony\PMB\PMBVolumeWatcher.exe [648032 2010-11-26] (Sony Corporati... Read more

A:Black Screen with blinking cursor Please Help

Please let me know if there is something else I should do. Really need to get her computer back up and running. Thanks again, and hope to hear from someone who can help soon.

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One of my users in the dept. brought me their home PC with a very frustrating issue. It's a Gateway SX2850, 4gb RAM, 640 gb hard drive.
It came with Windows 7 home prem. 64-bit installed. After the Gateway logo, the screen goes black except for a blinking cursor. The hard drive appears to be fine. I can boot to a bootable CD or DVD. I've booted to a Win. 7 install disk and ran all the fix/recovery utilities.
I even followed some threads on here Tue. and ran xPUD, QUERY.exe and FRST64.exe --- neither one fixed the issue. help!

A:Black screen - blinking cursor

Can you go to BIOS and check if the hard drive is being recognized and is being booted as first? Did you try moving to another port or using another cable? Were there infections prior to the problem?

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I have a Desktop Dell W3503, I have a bit of knowledge of computers. I am trying to install linux on my computer but after every installation on any favor of linux; I get one of 2 things when I boot from Hard Drive. A black screen with a blinking underscore for when I type it beeps at me once per key stroke, or a black screen with a blinking underscore that I can type in but it will do nothing.

I have checked to see if plugged in and reseated my cords, RAM, Hard Drive, and CD/DVD Drive. I also have spare RAM and tried them.

A:Black screen with blinking underscore

B&W + Blinking cursor -> No Bootable image found, so booting from HD is not possible.

Did you format the HD and then attempt to install OR were you attempting an install that failed?

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Whenever I turn on my HP it flashes the HP logo then goes to a black screen with a blinking underscore in the top corner? I need this fixed ASAP

A:black screen blinking underscore

no replies? me too xD

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My netbook running windows XP SP3 got infected with some malware. I was going to reformat and reinstall windows XP on it from a flash drive. I can usually boot from a flash drive no problem.

I was messing around with it, and now when I boot, the computer goes directly to a black screen with a blinking white cursor in the top left corner of the screen. I can't get to the bios or boot into safe mode because it goes right to this screen as soon as the computer is turned on.

Pressing CTRL-ALT-DEL blanks the screen for a split second, but then it immediately returns to the blinking cursor. I can't seem to do anything.

Any suggestions?

A:Black Screen, Blinking Cursor

usually this is a sign you are missing your master boot record. but now it appears you have cascading hardware issues.

I would suggest its time to call the manufacturers technical support

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Hello all. I need help. I turned my computer on today and all I got was a black screen with the cursor blinking. The logo doesn't come up at all. My keyboard is nonresponsive.

Please help me!!!!!

I want to thank you all in advance. :)

A:Black screen, blinking cursor

Hello LuvLeyHolli and welcome to TSF,

Remove all sources of power from your PC.
Press and hold the power button for 30 seconds.
Replace power and power on.

Does the logo show up?

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CQ56-115DXCaps lock blinking one time. It will take up to 2 hours to get it to boot up. Have tried the battery reset and it doesn't even work. The battery does need replacing, but I hate to buy a new one if this can't be resolved. The power is on and it sounds like it's going to start up, but just the capslock blinks once so I know it's a processor issue. It uses the AMD.I don't know what to do other than trash it. Please, anyone got any other tricks or solutions to save my phone?

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Hi everyone.

First time I've ever had a problem with my laptop in the 3.5 years that I've had it to this point that I have no idea how to fix.

I got overloaded with viruses/malware, but did remove all of it with MalwareBytes. Then, my computer froze and shut off later on, and became in the state that it is in right now.

When I try to boot normally, or click f8 to boot in safe mode, a black screen with a blinking underscore appears in the top left hand corner, and stays like that.

So, I ran f2 + f10, to get to the Setup Utility, and ran the Primary and Secondary Hard Disk Self Test, as well as the Memory Test - and all three tests came back with no errors found.

What else is there to do?

Thanks very much for any help!


A:Black Screen, Blinking Cursor

Welcome (didn't we meet before)

If your computer can boot from a dvd, this may help
If you create a recovery DVD, you may be able to boot to recovery options
Create Recovery DVD

The Vista recovery disk is used to boot Vista when it won't boot - to run Startup Repair, System Restore, access a Command Line, Recover using a Vista Backup Image, etc.
System Recovery Options

If Vista will not start now, boot the Recovery CD to run Startup Repair which automates System Restore as well as numerous other tests including System File Checker which can repair system files which are not corrupted beyond repair.

If Vista still will not start, try booting into Safe Mode to run sfc /scannow to repair System files.
Special Thanks Given to Seven Forums.

Below is a bulletin distributed by MS to explain the start up procedure when Windows will not boot.
Startup Repair. Startup Repair is a Windows recovery tool that can fix certain problems, such as missing or damaged system files, that might prevent Windows from starting. Startup Repair is located on the System Recovery Options menu, which is on the Windows Vista installation disc. If your computer has preinstalled recovery options, it might also be stored on your computer's hard disk. For more information, see Startup Repair: frequently asked questions and What are the system recovery options in Windows Vista? If your computer does not include Startup Repair, your computer manufacturer might have customized or replaced the tool. ... Read more

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When I try and boot up my computer it gets through the dell boot screen. But when it starts trys to boot up windows I just get a black screen with a blinking cursor in the top rigth hand corner. I didn't do anything out of the ordinary? I updated my internet explorer to IE7, and I updated my I-Tunes. I don't know what could have done it or what I have done. I don't get any error message or anything. Please help!

A:black screen with a blinking cursor

Can you get into safe mode?

what you need to do is start the computer up, when the computer starts to post (white text on black background) hit the F8 keys a few times. you will then be presented with boot options. select safe mode with command prompt and see if you can get into windows.

once in there you will need to identify what is causing the problem, its likely to be a software issue so what i'd suggest it you click on start >> Run - type msconfig

under the startup tab of the screen that appears deselct all programs that are non essential such as ITunes, messenger, leave any that you dont know about selected. you can always reselect item at a later date so dont worry.

once you have deselected the programs, pressa apply, and it will ask you to restart the computer, press restart and allow it to boot in normal mode.

what this will do is stop programs from loading with windows and therefore hopefully whatever is causing your computer to hault at startup will no longer load and should allow your pc to load up in normal mode.

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Hi guys, I am helping a lady with her Dell desktop...whenever I turn the pc on after the dell logo all I get is a black screen with a blinking cursor. I am not familiar with w10, so I'd appreciate any help.

A:Win 10 black screen with blinking cursor

Try rebuilding the Boot menu, start reading here for a faster solution, with just what you posted it leaves it open to a host of issues, good luck.

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Hi, I seem to have gotten a nasty virus and now when I start up my computer the correct display background will appear, but there will be no start menu or icons. Instead, there is a black box with a blinking cursor inside it called C:\Windows\System32\cmd.exe
I have a Dell Inspiron e1505 and I have all school information and pictures and I really don't want to have to buy a new computer. I tried scanning my computer with Avast!, which has worked fine for me in the past, but the virus is no longer letting me run it correctly (it says there are missing components that won't allow it to run properly). I tried Spybot Search and Destroy which got rid of a ton of viruses and spyware (I did this in Safe Mode which works fine), and when I tried to start up again the black box problem came up again. Please help!

A:black box with blinking cursor at startup

Hello and Welcome to TSF.
I'm nasdaq

Please Subscribe to this Thread to get immediate notification of replies as soon as they are posted. To do this click Thread Tools, then click Subscribe to this Thread. Make sure it is set to Instant notification by email, then click Add Subscription.

Please note that the forum is very busy and if I don't hear from you within three days this thread will be closed.

We want all our members to perform the steps outlined here:

NEW INSTRUCTIONS - Read This Before Posting For Malware Removal Help - Tech Support Forum

After running through all the steps, you shall have a proper set of logs. Please post the logs in your next reply for my review. It's the only way I can suggest sound advice.

If you have trouble with one of the steps, simply move on to the next one, and make note of it in your reply.

Please boot in Safe Mode with Internet service and download the tools needed to submit the logs.

It is possible that the infection you are trying to remove will not allow you to download files on the infected computer. If this is the case, then you will need to download the files requested on another computer and then transfer them to the desktop of the infected computer. You can transfer the files via a CD/DVD, external drive, or USB flash drive. Run them in Safe mode.

If at any time you need help please ask.

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Tried to delete files on an SD card. Got a non descript error message. Tried to cancel and it hung up. Task manager to end process on explorer. After a min my normal desktop appeared. Got "explorer not responding" when I tried to open a folder. Restarted computer and it took a long time so hard shut down at power switch. On restart it went to dell splash screen for one sec and then the black screen with blinking cursor. Restarting with hitting F2 no change. F12 on restarts just beeps.
Disconnected all peripherals inculding all but one internal hard drive. No Change. Tried Vista disk with no change.

A:Black screen with blinking Cursor

Run the free bootable diagnostics from here: Initial Hardware Diagnostics

Can you boot into Safe Mode?
Can you access the "Repair your Computer" entry on the Safe Mode page (or with the Vista install disk)? If so, run Startup Repair 3 times.
Try System Restore from the Startup Repair menu

If you get into Windows:
- create another "backup" profile and test it
- update all drivers
- scan for malware

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hi, please help my windows 7, computer i was normally on facebook and my computer shut down automatically. i restarted the computer and it came to a black screen with blinking underscore. how can i fix it, would really appreciate.

A:black screen with blinking cursour

Hi comp1234 welcome to SevenForums

Take a look at the link below

Troubleshooting Windows 7 Failure to Boot

Take a look at number 5

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I entered the administrator password given to me and it worked to get me past the "system disabled" screen, but it only opens up a blinking cursor on a black/blank screen.  What must I do now?  Please advise.  Thank you.

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I have a HP pavilion a6130n desktop that only displays a black screen with a blinking cursor in the upper left corner when you turn the machine on. Not sure if there have been any changes to the computer recently as it is not actually mine.

I can get into the bios fine but when i try to boot into safe mode i am unable to bring up the advanced boot option menu, i have tryed the F8 and F11 keys mulitple times with no luck. I have also tryed disconnecting the media drive on it because it says to do so on HP's website when doing a system restore. Right after the HP post screen (think thats what it is) it just goes black.

Any ideas why the black screen with cursor? or why i am not able to get into the advanced boot options?

Thanks in advance for any help

A:Black screen with blinking cursor

Hello Thedarkside,
If you have a Vista disk, follow this tutorial.

Startup Repair

If you don't have a Vista disk, follow this tutorial, then go to the above.

How to Make a Windows Vista Repair Disk If You Don?t Have One - How-To Geek

You will need to go in to the Bios and change the boot order to boot from CD/DVD, as the first device in the boot order.

Hope this helps, good luck and post your results.

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I'm extremley confused. I've looked up several threads on various forums and none of the specifaclly helped me. The tite explains my problem, an anooying one at that. My PC was working just fine a couple days ago, now this? Is there a way I can fix this and keep all of my data/files? I've already tried setting my boot process to HDD in the BIOS. Didn't work. I also tried re-installing/repairing Vista my booting only a disk, that failed too.


Excuse my horrid spelling, I typed this really fast and this PC does not have a spell checker.

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I just recently did a windows update due to it said it was critical. So it did the update and after it restarted i noticed my computer was running slow after i did and adobe flash update. Then when i restarted my computer again i got the black screen with the blinking cursor. Ive tried to restore to a previous state but i get message

"System Restore did not complete successfully. Your computer's system files and settings were not changed.

An unspecified error occurred during System Restore. (0x8000ffff)

You can try System Restore again and choose a different restore point. If you continue to see this error, you can try an advanced recovery method. For more information, see What is Recovery?"

Ive also noticed that when i goes to find a drive with the OS on it. Ive noticed my C drive has been renamed D. and thats what i believe is causing my booting problems. Please help.

A:Black screen with blinking cursor.

Ok i got my drive bacc to C: but when i go to restore i still get the same error.

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I purchased a used computer on was supposed to come with Windows XP installed. When I started the computer, it showed an error message saying something to the effect that there was no operating system.

So, I tried to boot it off of a Windows 98 boot disk. Then I checked the BIOS to make sure it was starting in the right order.. and it seemed to be.. but this is way over my head.

After that, I ran fdsk thinking something was corrupted since as I said the computer was supposed to have XP installed.

Well, after I ran fdsk, all I get is a black screen with a blinking cursor.

So, I emailed the seller of the computer and he sent me a new Windows XP professional CD. Not pirated. I put the CD in thinking the computer would recognize it but nothing is happening. Just a black screen with a blinking cursor.

I have no clue what is wrong or what needs to be done.. please help! This computer is an HP 512C with 256 megs of ram, 1.7 celeron, 40 gig hardrive...

Thanks for any help.

A:Only A Black Screen with Blinking Cursor


does it have on board video?
reseat the video card otherwise
pop the battery out for 20 minutes to reset the cmos and go over the connections

when your into the bios , make the rom as first boot choice, then reboot with the xp disk in the rom..and it will walk you through the process.

good luck

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Hi there,

I just purchased a Dell Studio XPS 1640 with Vista Home Premium 64 bit software. I downloaded the latest itunes and quicktime to my computer. After installing, I play my m4v's and mp4's and I get this blinking black bar on the bottom of the player itself. It spans across the whole player (not the computer screen) and about 2 inches in height. Any ideas? Help!

Version downloaded: 64 bit version of itunes 8.1.1 (included quicktime 7.6)

Errors: There was a corrupted file error upon original startup of itunes 8.1.1 but I did not play any videos at the time. Once I noticed the blinking black bar on quicktime and itunes I immediately uninstalled and downloaded the itunes 64 bit version again. Still the issue occured, but no error upon start up like the previous install.

A:Quicktime Help! (Blinking black bar issue)

With more investigation, I found a solution, though I don't know what it means, but it stopped the blinking black bar!

What I did:

On QT player it self I went to:

The top menu tabs and clicked "edit" next to "file"
click "Preferences" then click "QuickTime Preferences"
click the "advanced" tab under QT preferences.
Halfway down on the advanced tab you'll see a section heading for "video"

You'll have options for Safe Mode or DirectX. You could enable safemode which got rid of it or you can disable Direct 3D video acceleration under DirectX.

Now why this worked I'm not sure, possibly someone out there could answer that for me? I have an ATI mobility Radeon HD 3670 vid card with 512 mb of ram. My vid card has the latest drivers.

Anyhow, maybe this could help someone else? Who knows! but that's what I found!

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I recently got that BNK.win32.Keylogger.gen virus. I thought I removed it, but now have a black screen with the blinking curser in the upper left corner. I can't get to task manager or anything. Is there any thing else I can do other than re-installing Windows 7? I need to save some stuff on that drive that I hadn't yet backed up to a USB back up drive that I have. Any suggestions? I am desperate!

A:Black screen, blinking curser

There are possiblity that virus is still present I will suggest you to create a Kaspersky rescue cd and boot with that to perform scan:

Step by steps procedure:

How to record Kaspersky Rescue Disk 10 to a CD/DVD and boot my computer from the disk?

Revert back with the result.

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I have a HP G60 laptop. When I power up, I just get a black screen and a single cursor that doesn't blink. I doesn't even show the the logo for windows or HP / Compac. No buttons respond, except cntrl.alt.del. and that just flashes the screen for a moment, then back to the black screen again. I would send you more specs but I can't get to them. Thank you in advance for your time.

A:black screen, NON blinking cursor.

If you don't see the HP logo, then you've probably got a video problem (although other things can cause this).
Start by trying an external monitor on the computer to see if you can see the HP logo when it boots.

Beyond that there's not much else that you can do. Maybe take it to a local shop for an estimate?

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I have windows 7 Home premium 32bit. Just downloaded Adobe Flash CS3 Pro and screen went blank with cursor flashing in upper left. Have run repair disk, but nothing. I did notice that my boot drive letter changed to (X ?? It's always been Q since I 've had the machine.

I have original Windows 7 disk and have run all the repairs but nothing.

any other suggestions ?
Thanx, R Fulton

A:Black screen with blinking cursor ?

and screen went blank with cursor flashing in upper left

This suggest that its related to your display drivers, go to the manufacturer's website and download the latest version

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Hello everyone!
I am currently having a problem with me AOC screen, it is randomly turning black and after a few seconds its back to normal. I have no id?a what to do.

I have been following different topics in this forum, I did try the "Verifier", but everything was fine.
I have no clue if this is graphic card, cable och screen problem, i have nothing to go on.

I may also add, this is happening randomly. But It could be worse when playing games!

Graphics card: Nvidia Geforce GTX 760
Screen: AOC G2460PQU 24"

I did try to remove and reinstall the drivers for my graphics card, also reinstalling the computer. But the problem is still there?

Thanks, Finschken

A:Screen blinking black randomly

Im having the same problem
Just when i though its over it came back,now i was using VGA never had anything like this,it all started when i started using HDMI cable also did a fresh driver just now it blinked once and had another problem that Nvidia wasn't saving the color settings so what i did was i removed the HDMI and used the VGA,saved the settings with it then reused the HDMI now its fine settings are saved and still no sign of the blinking so far.....

EDIT: its happening again

Just go with DVI i just did,plus i did a research when it comes to quality between HDMI and DVI its the same.

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HI, could i have malware problem?
XP SP3 Gateway E-4100 desktop running fine usually, occasional slow-downs...
but yesterday the OS wouldn't load. black screen with blinking and i could get into the BIOS screen, but couldn't figure how to boot in safe mode. changed boot order to CD first.
Tried using Gateway original OS install CD; it would spin, show the Gateway green screen and make its video adjustments, then turn black again.

The only change i can think of is that we received a warning email from Comcast ISP reporting a pc on our home network had a BOT infection; didn't say which pc; we have three dekstops and 2 laptops; XP, vista, and 7.

Thinking i needed a new pc, i removed the printer usb cable to insert into a working desktop; and ingnored the gateway.
also removed a wireless mouose usb receiver.
hours later i thought i'd turn monitor back on and try to boot up again; and it showed black screen with "mouse and keyboard settings are not active"; but did allow me to boot up with hard drive, and pc worked as if there had never been a problem.
I assumed that unplugging printer cable or mouse receiver from usb's had fixed the problem; but same devices had been in use for several years.
reconnected the printer and mouse receiver, and the system continues to work fine.
my thought was to run rkill, malwarebytes, superantispyware til clean...
any other ideas? could this be the BOT warning we got from comcast? i thoug... Read more

A:Black screen blinking cursor

Hi pdoyle -Do you use Ebay and any similar sites - BOTs can be items that track bids on these sites so that you can be the last bidder -This is not the only use of BOTs but it is the most common - They are not always bad things, but this is the most common use in home uses -Thank You -EDIT - From WIKI -In addition to their uses outlined above, bots may also be implemented where a response speed faster than that of humans is required (e.g., gaming bots and auction-site robots) or less commonly in situations where the emulation of human activity is required, for example chat bots. Recently bots have been used for search advertising, such as Google Adsense

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I have already posted at the Expert Exchange, but I am getting no traction there so I am thinking of reposting here.

All the tech spec are in my post below, but I wanted to summarize the problem so that it wasn't such a chore to read:

Basically, I had 3 drive, each with one OS: Win XP, Vista 64 and Win 7 64

For some reason the Drive with XP crashed and it's dead. Now I am trying to revive my Win 7 Disk but all I get is the same blinking cursor on a black screen. Each time the repair disk that came with my Win 7 upgrade tells me that everything is OK but each time I try to reboot I end up on the blinking cursor.

The reason the machine crashed is pretty clear: The win X{P drive was booting the rest of the OSs. Now that's gone the Vista and win7 drives don;t have a valid boot loader. The repair disk seems to think everything is fine, but it isn't.

It has been suggested to me to use BCEDIT : BCDEDIT - How to Use

But in iorder to use it it would have to be installed on the disk.
Does anyone have any ideas? Thank you.
My original Post from EE

I have had my rig for almost 3 years. It started out as a
Systemax Venture VX2 -
Processor: Intel? Core2 QUAD Q6600 @ 2.40GHz (2397 MHz)
Motherboard: Intel DG965WH ATX Motherboard w/Gigabit LAN

Passed thought
Vista Ultimate 64 bit with 8GB on a dual boot

and finally ended up as a :
Windows 7 Professional, 64bit, 8GB (OCZ Vista Upgrade Edition Dual Channel 4096MB PC6400 DDR2 800MHz)

Each OS h... Read more

A:Black screen, blinking cursor

conticreative, remove the XP drive from your system, run the repair install 3 times and let us know.

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help me please no matter what way i start the laptop it always comes up with a black screen and a blinking white bar but i can not type anything at all.... please someone help me!!!message edited by zillian6996

A:black screen & white blinking bar

Make and model of laptop isfirst itme pholks here need.Have you installed "anything" immediately prior to (before) the problem arrived?Can you get into safe-mode? Press F8 when the system starts up; you may have to press it a few times, even possibly simply press and hold.One thing to try as occasionally it works.Remove all power, battery included. Then press and hold the on/off button for about half a minute or so. This discharges residual power in assorted components. Then restore normal power (battery included) and see if it will boot up ok.Any "beeps" when the system starts up? If so what are they?message edited by trvlr

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I'm sure you've heard of this before, but let me assure you I've tried all the steps the previous topics had to offer. This is a windows xp problem and a ubuntu problem as well.

So, I installed Ubuntu 9.10 32 bit on my Gateway laptop, and it kept crashing because the filesystem would never load. Again I reinstalled the OS two times, until GRUB crashed as well. While I was doing this, there was a 20GB partition on the hard drive that never showed up on GRUB, it was my old windows xp service pack 2 OS. I haven't been able to access it since I installed ubuntu. So, I took a service pack >>3<< disk and I deleted the ubuntu partition and installed the OS on that. It installed, but after I enter my BIOS password, the blinking underscore is still on that screen, and it just does that forever. Doesn't boot, doesn't do jack ****. Oh what should I do, gurus of computer wisdom...?

Any help is appreciated, thank you!

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I own a laptop that has been, for the last few days, blinking black. I believe this issue has to do with the battery, as there have been problems with that as well. The (I don't know what to call it exactly) thing inside the computer that connects to the charger has been pushed back, so that I have had to open the casing and move it back.  I don't know how to fix the charger or stop the cause of the issue. When I move the laptop around, it sometimes blinks black, as if the screen is shutting off for a split second. Sometimes it even goes to sleep mode for no reason. I am pretty much at my wit's end, at this point. This Laptop is only 2 years old and I am reluctant to replace it, as I do not have the money to do so. There does not seem to be a solution online that I could find, although that might have been cause by a lack of really trying. I've gotten very frustrated with this. When I take the battery out of it, the screen doesn't seem to do it as much, but it does still happen. It hasn't gone to sleep mode yet, but I will edit this post if it happens to do it again. Thank you for your help. Please tell me if I missed anything that is needed to respond to my problem. Oh and I nearly forgot that when the battery is inserted into my computer, the battery icon says that it is plugged in, not charging. And whenever I unplug it, it immediately turns off as there is no charge. Sorry again, I had to make this post in a bit of a hurry. 

A:Laptop Screen Blinking Black

Hi @TapeFixesAll, Welcome to HP Forums! I have read your post and wanted to help. I understand that there is a problem with the battery. When the charger is connected, the battery does not hold a charge, and when the charger is removed, laptop shuts down. The battery may also cause the sceen black screen for a second, and come back later. Have you run the battery test as below?HP Notebook PCs - Testing and Calibrating the Battery (Windows 10) You can also run other hardware failure testing:HP Notebook PCs - Testing for Hardware Failures (Windows 10, 8) Let me know the results of the tests. If this helps you to reach a solution, please click the "Accept as Solution" button down below in this message. If you wish to say "thanks" for my effort to help, click the "thumbs up" to give me Kudos.  Regards, 

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Hi chaps,

Have what seems a hardware problem with a rather old pc. From memory it's a 700mhz Pentium III with an Asus motherboard, 320mb ram and a Toshiba 20gb harddrive.
Here is what is going on with this pc. It belongs to a pal of mine and about 6 months ago, I upgraded the memory by 256mb and fitted a USB card with 4 ports and loaded Windows XP Pro. It has been working fine all this time. Just lately he told me it started running slower and slower. I gave him a disc with Antivirus software AVG, Spybot and AdwareSE and ZoneAlarm firewall. I think he loaded most of this stuff on, although he didn't seem to be getting proper updates from AVG, so there is a possibility the pc was infected. Anyway, it got to the stage where it would only display the screen with "1st Mainboard" and with the option to press "DEL" to get into the BIOS. Normally if you didn't press DEL it would continue with the bootup as normal. Now it just goes to a black screen, with the cursor flashing in the top left hand corner. I tried loading a startup floppy and changing the boot sequence so that it boots from the cd first, but it cannot get that far. I unscrewed the hard drive and the light was flashing and it seemed to be trying to access it. Every now and again by powering off and on it would get past the mainboard screen and display the usual cpu, memory etc screen and then proceed to list the devices, but at that stage just hang. I removed the cmos battery which... Read more

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Ok so i was busy installing kali linux when i realized that i wouldnt be able to install windows again without purchase.I stopped kali installation at 48% and now when i want to boot into windows it shows my laptop manufacturer and then goes to black screen with blinking cursor

A:Black screen blinking cursor

What's the brand name and model name and complete model number of your laptop?
What's the version of Windows on its Certificate-Of-Authenticity(COA) sticker?
What country do you live in?


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My windows XP keeps showing a blinking cursor instead of loading.
It was working fine yesterday but suddenly today it just won't.
Can anyone help me figure out what's wrong?
I'm not good at computers and know very little about computers. So please be patient with me, My computer isn't the new type and its Windows XP,

A:Blinking cursor with black screen

The computer is "looking" for a boot device... Probably the hard drive is failing

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Windows XP on a Pentium D, sata HD's. Gateway 836GM - Windows XP Media Center Edition. I was on facebook and a couple other sites, browsing, chatting, etc,. Com started running really slow. I rebooted. After POST and before OS can screen with blinking cursor. HD spins and setup still shows it. I do NOT have a windows cd. Even if I did my boot sequence only shows my 2 hard drives and something else that I have no idea what it is (WD-[random letters and numbers]). Can't boot off other hard drive even though it works fine. When I try to load up windows xp from it, it wants validated since I put it in from another computer that went bad. Called Microsoft to get help validating, after 18 calls and 14 hang up's, they will not help me. So, black screen with blinking cursor, no cd, no option to boot from disc.

I'm supposing I can put the drive in another com as a slave and replace the system files from the working HD. The problem is, I have no idea which ones to replace. I would just format it and start over but I do not have a disc and therefor no OS to put back on it.

It does have a partition on the bad main drive for restoration. However, I have tried everything I can find to make it boot to it so I can do a factory restore but it will not do it. I've hit every F key and every combination of F key's - shift F this and shift F that. Any way Gateway say's to do it, it will not work. Any way people say in forums it will not work... Read more

A:Black screen, blinking cursor

I think you have permissions problems from a corrupt file. This should work.

Take your drive out, put it in another PC as a slave drive. Open My Computer on that computer. Right click on the slave drive/partition with the operating system that won't start. Choose properties and then security tab and advanced button, then owner tab. . Make your current user the owner of that drive and all subfolders. That could take 15 or 20 minutes to scan and change. Then, on the permissions tab give full control to the user called Everyone. Again, this could take 15 our more minutes for it to change them. Once the user Everyone has full control, put the drive back in the other computer and it will likely boot up.

Once it does you need to do SFC /scannow and check for viruses and malware. Hope this solves it.

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Ok I am at my wits end with this computer. I am trying to do a clean install of Windows 7 from a thumb drive, I have used this thumb drive for several successful installs, including one after my issue just to make sure it wasn't corrupt.

PC details Foxconn A74ML-k Motherboard with a Dual Core Amd proccessor, sorry cant find the model off hand. using on board graphics card, and a Western Digital WD6401AALS hard drive and 2 gigs of gskill ram.

This PC was running windows vista just fine before I attempted to Install Windows 7, I have tried to install Windows twice, once with the usb drive and once with a dvd disc both end results are the same. The install will go perfectly smooth, all the way til the final reboot. Once the actual install is complete when it try to first boot all I get is a black screen with a blinking cursor, I cant seem to enter safe mode.

I have searched and while it seems many have run into similar issues is usually due to things such as dual monitor set ups etc. All I have connected is a mouse, monitor, and keyboard. Microsoft lists the motherboard as compatible, I have reset the bios, tried a different hard drive, ubuntu live works just fine, the file system is there. I even pulled the hard drive out of my laptop and plugged it into the pc and I get the same result. Also I tried windows start up repair from the discs, it found no issues.

So please, any help, ideas, suggestions, Anything would be much appreciated

A:Black screen blinking line please help

Try rebooting into Safe Mode to uninstall any drivers in error in Device Manager.

If it will not boot into Safe Mode, use the steps given in this tutorial to enter the Device Manager using Command Line to find the problem driver (likely display) and uninstall it to force installation to complete. Device Manager - Access During Windows 7 Installation

Have you wiped the HD to try install, as you may have corrupt boot code? SSD / HDD : Optimize for Windows Reinstallation

Remove all but 2gb of RAM to try install, test your RAM, swap your RAM: RAM - Test with Memtest86+

Do you have the latest BIOS update? If so, reset the CMOS: Clear CMOS - 3 Ways To Clear the CMOS - Reset BIOS

While in BIOS, set SATA controller to AHCI to try install, then IDE if it fails.

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  My HP G72 laptop recently shut down automatically and when I try to restart it, I get a black screen with blinking cursor in the top center of the screen. I have gone through various topics posted in this as well as other forums, but I am not sure how I need to proceed with this. I do not have a system recovery disc with me. I was able to go into the command prompt and when I did DISKPARTand list volume, I noticed that my C: drive has a Syatem Label but its size is only 200MB. My D: drive has no label but all my stuff that typically would be in the C drive is in the D drive. I have not created any other partitions in my computer. My E: drive has Recovery label but there is just one text file in there. I have backed up all my data and was thinking of re-installing the OS, but I wanted to see if there are any other alternatives which could address the issue. 
I have been running my laptop for several days continuously. I believe this could be a result of a virus attack for one reason that this happened as soon as I clicked on a link unintentionally.
Any help would be much appreciated.

A:Black screen with blinking cursor

Worth a read, .

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i have a black curser blinking in my browser where i type what causes it?

A:what causes a black curser to start blinking

hello ,

your system could be infected ith maleware

do this


do you have a Windows Xp cd, not the restore cd's that come with some systems, the cd will have the Windows logo & 3D hollowgram/image on it

if you do not maybe you can barrow one from a friend/family member/co-worker as long as it is the same version that is on your system

if you have (Windows XP Home Ed. sp2 ) then the cd will have to be that / if you have a cd with (Windows XP Home Ed. )you will have to slipstream (SP2 ) onto a disk that you create

this also applies to (Windows XP Professsional )

now if you do have the Windows XP cd with sp2 please follow these steps


performing a (sfc) system file checker

It is a scan that checks the core files & dlls of the (os) operating system and replaces them if they are corrupt or missing with the correct original version


#1 then select (run) , then press enter
a window will open
#2 type in ( cmd ) then press enter
another window will open
#3 type in ( sfc )then press enter
another window will open
#4 type in (sfc /purgecache) then enter / your pc will work like crazy / this helps in rebuiding the cache file (notice the space between (sfc & /)
#5 type in (sfc /scannow ) then press enter ( notice the space between the (sfc & / )

now a scan will start , have your (Windows XP software d... Read more

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When I try to boot from usb I get a black screen with a blinking cursor. I've tried to set the boot order to have the usb first. I made the windows 7 installation setup with wintoflash. I tested the usb with two other computers and it works perfectly. I'd try my DVD drive to install the windows 7 but my DVD drive is no longer working.

A:Black screen w/ blinking cursor

Are you sure the DVD drive is faulty? Try a linux live CD and test. boot order in BIOS is correct?

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hi, i updated my windows 7 laptop today and when it restarted i was faced with a black screen and a blinking cursor in the top left. It was working fine before. I have inserted the disk and booted it and was able to get a repair screen but when i do a startup repair which says it hasnt found any problems. I have also tried restoring it to 2 days ago but even though it says it worked i still have this black screen. All i can get is a setup manager and a boot chooser. Im not sure if the setup manager is bios. I can get a command prompt when i boot the cd. I can only boot the cd if i press f12 on startup and choose cd/dvd. Please help :S

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I have an Acer Aspire 7540 and just recently I went to start up my computer and it went to a black screen with a blinking cursor. I can't get into safe mode or anything my keyboard on the laptop don't work. I go into bios it shows the hard drive. I try using the installation disks to do a full recovery but then when I restart the computer afterwards it goes right to the black screen and cursor again. Can anyone help me please????

A:black screen with blinking cursor

Hi tinabre40 and Welcome to TSF,

Does the recovery go through as normal, i mean does it report Successfully reinstalled? Because that blinking cursor means that you it cannot find a bootable drive.

Firstly make sure all external harddrives/USBS/CD's are taken out/unplugged and reboot.

It might be that your recovery partition(or recovery DVD) has been damaged and is not able to restore Windows to it's previous state, or it has been discovered and infected by a malware.

Secondly see if you can get your hands on another set of recovery DVD's, just in case it's them at fault.

Otherwise I would recommend you to get your hands on a clean installation DVD:
Run the installation > Choose Custom install.
Remove all partitions > Mark the "Unallocated space" > Create new partition.
Format the partition > Proceed with installation.

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Ok so I have a Compaq EVO D51S running Windows XP Pro but whenever I turn it on it goes through the first two (boot options then logo) screens, then I'm stuck with the black screen with a blinking cursor, I'm going to try changing the CMOS battery in an hour or so but have a feeling it may not work, I've tried booting a Windows CD to put a fresh install on but I get the same screens, any ideas?

A:Black Screen Blinking Cursor?

will it let you type anything in? If it does allow you to type in words, type the word "help" and see if a list of msdos commands come up.

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so I have a ibuypower computer with Windows 10. I was on the Internet and it restarted to update. when it came back on it was at a black screen with a blinking underscore and I can't get it to go past that screen. help please!

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Ive been having a problem with my monitor blinking / flashing a black screen every 5 min. It always happens when i change screens for example: load a full screen game, refresh the screen, etc... Everytime i start up my CPU the screen blinks. Then i have to turn off the monitor, wait like 10-15 seconds, then turn it back on for it to work. When it does come back on, the graphics are all messed up. Could this be my monitor? Or does it have something to do with my graphic card? Any help would be appreciated. If possible a solution =) Thanks

A:Monitor Blinking

Screen flicker is normal when you change screen resolutions or settings (which more than likely happens when you play a full screen game). However the "messed up" graphics are not normal.

To test this we will isolate the variables. Here your variables are the graphics card and the monitor. You can: 1) attach the monitor to a known working computer. If the screen still acts funny, you know the monitor is at fault. If not, then it is probably your CPU's graphics card. Or you can 2) attach a known working monitor to the problematic CPU. If that screen acts funny, then you know it is your graphics card at fault, or at the very least not the original monitor. If that secondary monitor does not show any symptoms, then your original monitor is probably causing your problems.

Good luck!

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I have windows vista professional and when booting up my P4 system my monitor goes right to the desktop quick but blinks for about twenty minutes before it stops blinking. I can restart it at that point and it will not blink when the desktop is displayed. if I let my system go in sleep mode for awhile and move the mouse to display the desktop again it blinks for about twenty minutes before it stops again. long as I'm using it this doesn't happen. Can you tell me what the problem might be?

Thanks in advance for the support help,

A:Blinking Monitor

To see what hardware you have in that PC please run this on it and post the resulting text into your next reply :-

Any chance you could connect a different Monitor, just to see if the fault still happens or not ?

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I don't know the brand of my computer... I don't think it even has one. It was built for me by my husband Who is in another country for about four months (so it is now up to his uneducated wife to fix any computer problems that may occur)

My problem started when I tried to hook my scanner up to my computer. (my scanner was not USB) Anyway after I got it hooked up and I turned my computer back on the monitor just blinked at me. Absolutely nothing else happened. No power in the tower. Nothing. So I unhooked my scanner and started it back up... and it still did the same thing.

I have checked all my cable connections and even reinstalled the card to my monitor. And I am now all out of ideas. So if I can't figure this out then I will either have to hire someone to come down and look at it (which I cannot possibly afford) or wait four months for my husband to come home.

I am very open to suggestions. Please someone help me.

A:My monitor is blinking at me... again

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i recently installed a brand new system in my car that consists of a Micro ATX Mobo - AMD Athlon2 - 8 gb DDR2 1066 - dc-dc power supply -windows 7 and a computer monitor. the computer runs perfectly but the monitor i am using will go black for a second or two at random intervals. the dc-dc power supply has a 20 pin and a 4 pin for the mobo, power sata for the hard drive and another flat 4 pin that i am not using. since the lcd i am using needs 12 volts i connected it to the 12v and ground from that flat 4 pin off the ps. this setup was fine when i set it up on a normal psu from my other computer.. is it possible that the dc-dc psu cant handle the load from the lcd? also i did set this up temporarily in my car to see if it would work and it did. although at that time it was not in its native resolution. the native resolution of my monitor is 640x480 at 60hz. windows 7 for some reason will only allow me 59hz no matter how i try to change it. does anyone have some idea as to what the blinking is caused by?

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I have a HP w2408h monitor that has had blinking on and off problems ever since I began using it with my Surfact Pro 3.  I ran across some 2114 posts on this forum where I found the following solution . . . Step 1. Unplug the power cord from the back of the monitor and the wallStep 2. Hold the power button down for at least one minuteStep 3. Plug the power cord back into the monitor and then into the wall outlet (not a power bar or surge protector)Step 4. Press the Menu button on the monitorStep 5. Navigate to the Factory Reset option and select it I followed those steps and , so far, my monitor no longer blinks (but its had periods like this before so time will tell) My question is about step three.  Why can't I use a power bar or surge protector?  Why does it have to be plugged directly into the wall?  

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Iím working on a friends Dell XPS 410.
Iíve installed a new HDD and performed a fresh install of the OEM Vista.
During bootup, or when the computer is trying to do something .. Like recognize a connected external ..
The monitor flashes off several times, for about a second .. The on duration is variable.
Iím using one of my monitors .. Not his, So this eliminates a monitor problem.

This is one of the same problems as was in his old HDD and System.

Any ideas what may be causing the monitor flashing ??

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I have a Princeton LCD monitor, model VL1918, that's about 3 1/2 years old. It has started blinking at me even when it's not connected to the computer. In such condition there's a window that appears saying " NO SIGNAL". which flashes for a count of two, then disappears for a count of nine, then on again for two and off for nine.

Is this curable and at what cost?

Thanks for your thoughts.

A:Blinking Monitor

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I have an LG CRT monitor 2 years old. Since the past 15 days, my monitor has developed a problem. The monitor begins to blink continuously on and off each time switch on the PC. The rate of blinking dies down gradually , and finally the monitor shows the display. It is taking nearly 10 minutes for the monitor to stop blinking and show the display.

And, the monitor behaves properly if I do a system restart immediately. But, the computer again blinks continuously if I switch it on after a gap of 2-3 hours.

Please help me out to get out of this trouble. Is there any damage to components inside the CRT? or is it just the power cord trouble?

A:Blinking Monitor

Yup, it sounds like the high voltage rectifier and it's not worth fixing. Time to go LCD.


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I just bought an hp pavilion desktop 510-p020. I hooked it up to my hp w1907 monitor which is about 7-8 years old. Everything was working fine until I left the system idle. When I returned to the computer the monitor was dark. I hit one of the keys to awaken the computer. Instead the monitor just kept blinking on and off. I tried restarting the computer with the same result. The system itself is starting up so I don't think the modem is the problem. When I click the power button on the display, it turns on for a second then turns off. In the meantime the system startup is progressing. I have tried changing the power cord, checking all the connections, and plugging the display directly into the wall, all with the same result. Anyone have a clue as to what's going on?

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Okay I have a problem. For sometime, whenever I started my computer, my screen would blink for a while but would eventually become stable and everything would be fine. But now, while I was using the computer, it suddenly went off. Now when I turn on the monitor it keeps blinking that is it comes on for a second and then goes off and then comes and so. It's impossible to use the computer this way. What should I do?


A:Monitor Blinking

Short answer is try another monitor. It does sound like a monitor issue. Let us know if that's it or not, and we'll go from there if needed.

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I am currently on a Dell dimension 2400 PC, with windows XP home edition service pack 2 that my mom got in 2003, but the monitor has started blinkling, what happens is the screen will suddenly go black & then start blinking, with a faint light in the bottom corner, I can see the screen contents between blinks. This occurs when; I have been away from the computer a while, upon start up & sometimes when I am in the middle of something. so far what I have done is jiggle/wiggle the cord that plugs into the back of the monitor, & it usually brings the monitor back but it it is taking more jiggling the cord than ever to get the screen back. The computer seems to be ok, watched the diagnostic lights at the back of the computer upon start up, all green no red. but the monitor is very irritating. Is it the cord? before I started up today, I tried unplugging the cord that plugs into the monitor & then re plugged it back in, then started up the computer, all was well for a while, there was no blinking at start up, but then after I was away from the computer for about 10 minutes, moved the mouse & it started blinking again. The monitor is a 15 inch LCD, should I get a new cord for it? will I be able to find a new cord for this monitor? it came with the PC in 2003. Do I need to get a new monitor? is the computer dying? I need some quick help as it is hard to do my work with the monitor, want to solve the problem as I cant keep wiggling the cord that plugs into the back... Read more

A:blinking monitor

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I have a viewsonic monitor that when i plug it in and turn it on, keeps blinking on and off. The way i used to be able to fix it was turning it of and back on manually until it came on, but now it does it automatically and never turns on. It seems like there is a bad capacitor because it turns on, and you can see the screen for like half a second, then the backlight turns off, then the whole screen turns off and this repeats. So i took it apart and noticed that on the power supply board several capacitors were bulging at the top, so i ordered replacements from mouser and soldered them in. Unfortunately it still blinks. I think if i found the same model monitor that had a cracked screen but working electronics, i could swap them out because the screen seems to still be fine. any ideas on other things i could try?

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Brief description:

Upon log-in, my monitor begins to blink irregularly. After several minutes of occasional blinking, the screen will simply go black. Strangely, this blink-to-end-all blinks leaves the monitor in *sleep* mode - I can tell because its power-button light is now orange.

What I've done: Switched the monitor, to ensure that this isn't a monitor problem (it isn't - it happened with both monitors). No new software has been downloaded recently. Do I *need* to call geeksquad or something, or is there a way to determine what is causing this? I'm guessing video card but I know so little about hardware that I've got no reason to support that.

Any suggestions on further diagnosing the issue, let me know. I'm a bit busy at the moment, but in an hour or so I will try playing audio to determine if it will continue after the screen goes off / into sleep mode.

Thanks for the help!

A:Monitor Blinking

If the display is ok until you get into Windows it could be a Video driver problem, boot into Safe Mode (tap F8 after the Post text screen and when the safe mode menu appears press Enter) and see if it still flickers then.

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Yesterday I replaced the old case of mine with a new one . I have put everything back to its place , turned on the PC and on brown colour I can see that the monitor is blinking , making annoying waves .
In the old case I never had issue like this . Tried 70/72/75 Hz with smaller resolution but the upshot was the same , the monitor was blinking .The monitor is Benq G2222HDL and the VGA is Gigabyte 5770

A:Sometimes the monitor is blinking

Ok , I have noticed that when the VGA isnt under stress everything is fine .Tomorrow I will clean the VGA and will post if the issue is still persist.

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my laptop screen starts to blink suddenly,, it was working fine since yesterday but now , its blinking every 3 sec ,,how can i stop this?

A:blinking monitor

If your laptop is still under warranty I suggest contacting the manufacturers, as it could be a hardware issue. If it isn't, try updating the graphics drivers first.


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Hope someone can assist w/ this.
I accidentally right clicked w/ mouse and hit
a different resolution button. Now my monitor is blinking so fast I can't even click on anything.
I can't stop it to view it either. This is on my desktop which is windows xp.
Any solutions? thanx.
(p.s., I called my normal tech place and their only advice was to bring it into the shop.)
** I did unplug and re-booted several times but w/ the same result.

A:Blinking monitor

Try booting up in Safe Mode and choosing a resolution. Note: your usual resolution might not be listed in there, but right we're going to focus on getting rid of the blinking.

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I have a problem with an ASUS Eee PC notebook. It is running Win 7 starter. When i start the system it goes through the normal setup until it gets to the windows startup screen it then goes to a Black screen with a mouse curser. I have no access to the system then. This also happens in safemode. Any help with this issue would be appreciated.
Regards Demonseed

A:Windows 7 - black screen with blinking cursor

All I can think of right now is to make a system restore using the Windows 7 Disc, if you have one.
You can follow this method in the link below.

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I'm attempting to troubleshoot an S7-392, I have limited experience with Acer laptops as I'm typically a Dell guy so I'm hoping someone can help out.  Here's exactly what's happening... 1. Power on the laptop (whether on battery or the power supply makes no difference).2. See the Acer splash screen for a split second3. See an Intel Rapid Storage Tech screen with information on the RAID0 config4. Goes to a black screen with the cursor flashing in the top-left. The laptop is running Windows 10 and was working fine for 2+ years.  This seems like a common issue, I've read various articles/forum posts around the web but unfortunately none have helped.- The process of holding down the power button for 30 seconds, etc.- Holding a combination of the Fn keys I can get into the BIOS and as mentioned above the machine is seeing a RAID0 configuration with two 60 GB drives.  I cannot get into Safe Mode or any kind of Windows troubleshooting.  If I hold F2/F9/F10 I go into the BIOS and am prompted to reload the default config.  I'm assuming that will NOT format the HDD since it's only in the BIOS but I'm not sure with Acer laptops.  Can anyone provide some knowledge there?  I'm guessing reloading the default BIOS config is my next logical step but I have no way to back up the data.

A:S7-392-6832 won't boot, black screen with blinking...

I've seen that blinking cursor before. Left the system overnight and it got done with whatever. Try pressing Ctrl-Alt-Del when the cursor is blinking. Does anything happen ?

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My computers worked fine up until a few days ago. I was using it like normal and it abruptly BSODd on me with the error system_service_exception. Following the restart, the computer would not boot. It shows the logo but then doesn't boot. It is stuck at the black screen with the blinking cursor. I have tried repairing it with my windows 7 disk by checking start up and everything else available on the cd. All the tests say it should be fine. Also when i try to system restore it ends up failing. Can anyone give me any advice. Thanks in advance.

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PC info : Ms windows xp professional sp3 - Intel core2 duo cpu e7200 @ 2.53ghz, 2.0 gb ram, intel g33/g31 express chipset family (dell desktop)

nothing is working - it'll boot up at the dell screen then goes to a black screen with a blinking cursor (which I can't type anything)

I connected an usb external cd/dvd driver and ran "hiren boot cd" ran just fine - I was able to scan for viruses, check the system - everything is okay. when i disconnect the external drive - back to the problem. can anyone help me??? thank you.

A:PC boot up to black screen with blinking cursor

hi, was one of the tests a hard drive test? I'm not sure which one would be on the hiren disk, could you go to the web site of the manufacturer of the hard drive and download their diagnostic program, burn to disk as a .iso and let us know the result. Had anything occurred before this happened? Any error messages etc.

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