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New Computer Locking Up When Left Overnight

This is a discussion on New Computer Locking Up When Left Overnight within the Windows 7 , Windows Vista Support forums, part of the Tech Support Forum category. I just recently built my new computer the 3rd, and since then have had a few problems. Two days ago


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Old 02-05-2010, 11:04 AM   #1
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I just recently built my new computer the 3rd, and since then have had a few problems. Two days ago I woke up to find my computer screen wouldn't come out of a sleep, so I unplugged the VGA and put it back in, and it worked fine. The next day I was transferring files over Ethernet from my old computer, and downloading something, which was using up pretty much all of my two gigs. Out of nowhere the screen went black, so I unplugged the VGA and put it back in, and it had changed my resolution to the lowest setting, and when I tried to put it back to the original, the screen stayed black, and I had to restart. Now today I woke up, and my screen came on, but it was a black screen, although I could see my mouse blinking, so I unplugged the VGA, put it back in and my computer restarted. I'm assumed it was something to do with the onboard video drivers, so I reinstalled the manufacturers drivers, and still does it.

I'm running:
Gigabyte GA-G41M-ES2L
Intel Core 2 Duo E7400
2GB G-Skill Ram
ST3500418AS 500 GB, 7200 RPM
ATAPI iHAS224 Dvd Burner
400W Corsair Power Supply
Windows 7 Ultimate
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Old 02-05-2010, 02:47 PM   #2
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My System


Hi,

Does there appear to be a pattern in terms of when your on-board video decides to blank the VGA output (i.e. what exactly are you trying to do the very moment before it blacks out?), or can this happen at any given time?

Also, when you say you re-installed the drivers, do you mean the ones that came with your motherboard on the installation disc, or newer ones that you've downloaded from the manufacturer's website? Try this option if you haven't already. Failing this, or if you've tried this already, it could be a faulty board.

Hope this helps.


Regards,

Jon.
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Old 02-05-2010, 04:06 PM   #3
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I'd say it usually happens when the computer has been left idle for more than an hour and a half, though the other night it did it when under load. I tried installing from the mobo's installation disc, and from their website, and it doesn't fix it.
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Old 02-06-2010, 05:39 PM   #4
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Resolved the issue, turns out windows 7 set my screen refresh rate to 85 when my old crt could only handle 60. Changed it and its been running perfect now. Thanks for your help.
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Old 02-10-2010, 12:34 AM   #5
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Problem has returned, this time I notice my memory being used up. I set my comp to never turn the screen off, came back and my memory was at like 97%. I opened task manager and in doing so it pushed my resolution down to the lowest setting. Nothing was using that much memory though.
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