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PC randomly shuts off while playing games - Page 3

post #21 of 34
It sounds to me like an over heating GPU. Could be a lot of other things but that is probably the most likely, especially considering the warmer temps coming with summer and your description that your room is "like an oven".

If your video card is overclocked then set it back to default settings. I overclocked my 9600GT and tested it in ATITool. It produced no artifacts but crashed CS Source after about 10 minutes. I set it back to defaults and it works fine now.

If the card is overheating, there's a very inexpensive way to test this. Take off the side panel of your case, grab a large house fan and point the fan directly at your motherboard. If you can play CS Source than heat is your problem. Which component is overheating might be a little more difficult to figure out, but it's probably the video card based on your symptoms. There's nothing wrong IMO with leaving that house fan on the rig all summer but if you're not ok with that, you'll likely need more case fans and an aftermarket GPU cooler. Or just turn on your AC
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post #22 of 34
Im with the rest who say its video card. I have an 8800 overclocked by 120+mhz and its like half that heat under full load on stock cooling. Try using rivatuner and upping your fan speed and try again.
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post #23 of 34
Quote:
Originally Posted by wudaddy View Post
Yeah I know you can't add them, but someone calculated for me and the total 12v amps from one rail is 28-30amps if I remember correctly, not 36. I'm fairly sure that I have enough amps, I'm just not sure how stable they are.
Wudaddy, double check the sticker. It only has two 12volt rails. It's 130w - 324w = 194w/12. That is 16.16amps. Unless I am doing this completely wrong I don't see that PSU pushing 28-30amps.
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post #24 of 34
Quote:
Originally Posted by thlnk3r View Post
Wudaddy, double check the sticker. It only has two 12volt rails. It's 130w - 324w = 194w/12. That is 16.16amps. Unless I am doing this completely wrong I don't see that PSU pushing 28-30amps.
I'm a bit confused with the area in bold.

I can vouch for the quality of this PSU, but even the best of units can be prone to failure. I believe I read somewhere that the combined rails can effectively output 28amps...I'll try to retrieve the source.
    
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post #25 of 34
Thread Starter 
Newegg doesn't have this model anymore, so I found an ebay link to my exact PSU
http://cgi.ebay.com/FSP-Saga-AX450-P...QQcmdZViewItem
post #26 of 34
http://forums.guru3d.com/showthread.php?t=205763

A collective data base of PSU ratings, taken from user trials and manufacturer specifications.

If you scroll down to FSP, you'll see...

Quote:
Saga AX450-PN ~29A
    
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post #27 of 34
I without a doubt am putting money on the PSU>
post #28 of 34
Quote:
Originally Posted by PeDrO305 View Post
Hmm.. Could definately be a PSU problem.

I would take off your side panel, and put a big fan on the side. At least to rule out heat as a possible culprit.

Then I would reset any overclock you've done. Could be an instability issue as well.

BSODS are generally caused by an unstable overclock. And your PSU might be necking it with your overclocked system.
Damn, I was going to suggest the PSU as a possible problem...beaten to it. I second this idea!
    
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post #29 of 34
Thread Starter 
Quote:
Originally Posted by Fatal05 View Post
http://forums.guru3d.com/showthread.php?t=205763

A collective data base of PSU ratings, taken from user trials and manufacturer specifications.

If you scroll down to FSP, you'll see...
Thank you, I knew it was somewhere around there and couldn't be 16amps when one of the rails is at least 18amps.
post #30 of 34
It can be GPU overheaded or PSU. Set the fan to 100% and get a good read on the load temp first. If the load temp is good, then take a look at the PSU. The max power draw of 8800GS 320 G80 is 147W. That PSU has max rated 324W on 12v rails but actually less than 200W toward to them. Plus aging and efficiency, PSU may be a factor.
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