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Can a bad PSU cause artifacts?

post #1 of 18
Thread Starter 
Quick run down, I used to have two 2GB 560 Tis (both now out for RMA) which began to occasionally show flashes of artifacts (like 1 random frame with mis rendered geometry) in games like TF2, DA2, The Witcher 2 etc. Temps never went above the mid-high 70s.

Eventually both cards and my P67 board died altogether, so I assumed it was a mobo problem with the PCI-E slots. However, now with my new mobo and a different GPU (a green 9800GT) I'm noticing similar graphical anomalies occasionally appearing.

The only other x-factor as far as hardware is concerned would be my PSU. But it's only ~5 months old and never gave any problems with my 460 before I upgraded. I don't have a spare PSU to test, and obviously RMAing a PSU is something I'd like to avoid if possible. Any thoughts, power gurus?
post #2 of 18
Do you have your cpu and video cards oced?
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post #3 of 18
Thread Starter 
Quote:
Originally Posted by dixson01974;13789632 
Do you have your cpu and video cards oced?

The 560s were OC'd (In SLI they were at 950MHz core @ 1.087v... after the first died I ran the second, better clocker at 1.062v and 1GHz) . CPU is stock for the summer, and I haven't touched the 9800 GT's clocks.

Edit: To clarify, there isn't any system instability. Like the comp doesn't crash or turn itself off. I don't think it's a driver problem though because I don't see anyone else mentioning it.
Edited by Booty Warrior - 6/7/11 at 3:49pm
post #4 of 18
Quote:
Originally Posted by Booty Warrior;13789647 
The 560s were OC'd (In SLI they were at 950MHz core @ 1.087v... after the first died I ran the second, better clocker at 1.062v and 1GHz) . CPU is stock for the summer, and I haven't touched the 9800 GT's clocks.

Edit: To clarify, there isn't any system instability. Like the comp doesn't crash or turn itself off. I don't think it's a driver problem though because I don't see anyone else mentioning it.

You anwser you own question. Because 99% of the time if the PSU is going bad it will shut itself off. I would use driver sweep to uninstall all the Nvidia video driver then do a fresh install with the newest driver.
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post #5 of 18
If anything, its your monitor or your cpu. Im betting its your monitor, is there an option to raise/lower the response time on it? Also, In your Nvidia control panel, set physX to gpu only, can help eliminate your cpu.

Edit: did you try to reinstall windows yet? Could be drivers.
post #6 of 18
Thread Starter 
Quote:
Originally Posted by dixson01974;13789828 
You anwser you own question. Because 99% of the time if the PSU is going bad it will shut itself off. I would use driver sweep to uninstall all the Nvidia video driver then do a fresh install with the newest driver.

Well, that's just it. When I swapped mobos I did a fresh install of Win7, and installed the latest drivers (275.53).

That said, the only game I've played on the 9800GT is TF2, since that's about all it can handle... maybe it's a game issue?
post #7 of 18
Quote:
Originally Posted by dixson01974;13789828 
You anwser you own question. Because 99% of the time if the PSU is going bad it will shut itself off. I would use driver sweep to uninstall all the Nvidia video driver then do a fresh install with the newest driver.

I concur, since that the next best step. I do hope that will fix the problem.
If that doesnt work and you still worry about you PSU, you can try to go to Best Buy and pick up another Corsiar PSU to try it out; that way you reduce your downtime in any case.
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post #8 of 18
Hmm. I know that PSU can handle two of those card plus ocing on the cpu. It can be video card, mobo, psu and drivers.
Edited by dixson01974 - 6/7/11 at 4:18pm
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post #9 of 18
Define artifact. Nevermind. Artifacts is the gpu that's either damaged or overclocked. Basically corruption in the ram. If the psu is bad unit it can damage the hardware.
Edited by Spooony - 6/7/11 at 4:20pm
post #10 of 18
PSUs don't cause artifacts.
When did the problem start? - Any new software you remember installing prior to artifacts? Any voltage/clock tweaking? Do they appear under stock volt & frequency?
How long do they take to appear? - Immediately or only under tremendous stress?
What is the state of your 9800GT? I have a feeling it was already a goner to begin with.
    
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