Computer gets a graphical glitch while playing games then powers down

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xBanzai89

Supreme [H]ardness
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Aug 24, 2007
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I put together a computer for my cousin about 2 months ago. A month after the build there has been issues when he tries to game. When he launches games the computer works fine for a short while then there is a graphical glitch. There is small blocks of greens, purples, blues, and so on. The computer quickly stops responding and the monitor says it is going into power save mode. I have to power down the machine to start it again.

Specs:
E5200
ASUS P5E
8800 GTS 512
4GB OCZ RAM
550W OCZ PSU
640GB Black WD HDD

The desktop works perfectly fine while on the desktop. My cousin told me there have been times where it has locked up when just on the desktop, but this has rarely happened.

I updated to the latest Nvidia drivers and that did not help either.

I ran ATI Tool and did not get any artifacts with the 8800, the temperature was good too. Topped out at 60* C.

I tried out Orthos Prime to stress the CPU and RAM. I did not get any issues while running this on those two pieces of hardware. The temperature did not exceed 50* C on the CPU.

The only part that can cause this is the PSU I believe at this point. Due to mostly having no issues with the other hardware from running these tests. What do you guys on [H] think?
 
[Testing the PSU]
Buy and use a digital multi-meter to monitor the voltages coming from the PSU. Follow the instructions for "Using a multi-meter to check voltages":
http://www.bfgpower.com/troubleshooting.html#DMM

[Testing the Hard drive]
Download the CD image of Hitachi Drive Fitness Test, burn the ISO file to a CD, and then boot from it, just like you would do with the XP/Vista install CD. Test the hard drive and see if any problems are found. DFT will run on most manufacturers' hard drives. Alternatively, you can use Seagate's SeaTools for DOS to test a Seagate or Maxtor drive. For a Western Digital drive, you could use Data Lifeguard Tools for DOS to test a Western Digital drive.
 
another program you can run to really stress the card is furmark.. since ATItool blows when it comes to stress testing a nvidia card..
 
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