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Discussion Starter · #1 ·
I know enough about computers to break them, but apparently not enough to fix them.

I moved the MOBO and HDD from my gateway LX6810 to an 'Ultra X-Blaster Black ATX Mid-Tower Case & Diablotek PHD 650W ATX Power Supply Bundle' that I had laying around. I moved it because when I installed the oft recommended Radeon 5670 video card in the gateway case with its 400W PSU I received a boot error after the POST that implied insufficient power. Sorry I can't quote that for you. I also preferred the great airflow of the ULTRA case.

The video card performed wonderfully for about three hours, running Dragon Age II at full specs (DX11, 1680x1050 res, High Graphics Quality). Then the screen flickered and I received a message saying that the driver had suffered a catastrophic failure and recovered.

After that failure the amount of time that the card would run that game or Fallout: New Vegas without issue has been reduced to minutes, Fallout hasn't caused the card to fail but shows major screen glitching. I have turned down the graphics quality as low as it goes, same result.

I suspected overheating so I watched the Catalyst Control Center and saw that the card never goes over 35 deg. It idles at about 30. I double checked with GPU-z same temps. Additionally I put a finger to the card, it feels cool. I didn't take any temp info before the first several failures.

My machine runs the Nvidia GT 120 that came with the gateway without issue, both games run fine. Also the Radeon seems to run with just the operating system fine.

Some important info to note is that this case and PSU originally held an AMD athalon X2 MOBO and nvidia GTX 8600. The 8600 suffered similar symptoms after running for a year (on almost 24/7/365). I assumed the 8600 had failed originally, but now that I have two card with similar symptoms I am beginning to question the PSU.

I have not updated the BIOS version, but I have an exhaust fan on the back of the case. heat does not appear to be an issue for any component in the build according to speedfan.
 

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Sounds like software to me , if you been mixing these nvidia and ati drivers together without ever using a driver cleaning program then they are probably clashing and causing these failures. Use a program like driver cleaner or driver sweeper and remove all the previous nvidia and ati driver and install the ati driver fresh only.
 

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400W is not sufficient for a PCI-E GPU and the Diablotek is a very poor quality PSU.
That could factor into your problem also.
 

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Discussion Starter · #4 ·
Sounds like software to me , if you been mixing these nvidia and ati drivers together without ever using a driver cleaning program then they are probably clashing and causing these failures. Use a program like driver cleaner or driver sweeper and remove all the previous nvidia and ati driver and install the ati driver fresh only.
That had not occured to me, but would that explain why the HD 5670 ran for several hours without issue before failing?

Thanks for the insight, running a driver cleaner will probably do my PC some good either way, I will probably do that.
 
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