PC shuts down and restarts after gaming for an hour

Guana

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Oct 29, 2014
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I'm trying to help a friend that has this problem. He recently got another friends old computer, which missed PSU and storage. He then bought a 650W Corsair VS650, a 1TB HDD and a network adapter for wireless.

The PC started and it worked fine until it shut down the first time after playing DayZ for an hour or two, then it restarted and he started playing again until it happened again.

I told him to turn off auto restart so we could get a bluescreen and some error code to work with, but that didn't happen. It only shut down and stayed off with no bluescreen.

I've been guessing it's the PSU. But he told me the GPU was getting kinda hot when gaming, it peaked around 75 degrees after playing Counter Strike for 30 minutes. This is normal for a lil dusty GTX 660, right? (Nothing else gets hot)

Anyone know what it could be?

His specs:
AMD FX-4300
16GB RAM
ASUS M5A97 R2.0 MOBO
GTX 660
Corsair VS650
Windows 10
 
Solution


If the temp stays good and it keeps dropping out I would suspect the PSU can't handle it. Not because of wattage but because its low quality. If he has another PSU to test, that would be optimal before spending money. Or if he can return the Corsair and exchange it for a better quality one that would be best.

Rogue Leader

It's a trap!
Moderator


GPU or CPU probably overheated. 6 series GTX cards are known for the thermal paste and pads failing I would check the temps on that first, May need to remove and clean the cooler and put new paste on it. Also check CPU temps
 

Rogue Leader

It's a trap!
Moderator


You cannot run a GPU up to 100C and expect it to be fine. In practice anything over the high 80s is bad, between there and 100 it will start to throttle.

The Corsair VS line is poor, but should still handle this. However combo of failing card cooling, and a lower quality PSU may cause issues.
 

Rogue Leader

It's a trap!
Moderator


GTX 660 max temp from the horses mouth:

http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-660/specifications

97 degrees C.

You should never be running a card anywhere near its thermal limit. Could do and should do are very different things especially when it comes to someone having problems.
 

Guana

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Oct 29, 2014
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The CPU is around 40 degrees, so that is no problem. He cleaned the GPU and now only peaks at around 60 degrees, there has been no sudden shut down yet. It if happens again, is is likely the PSU?
 

Rogue Leader

It's a trap!
Moderator


If the temp stays good and it keeps dropping out I would suspect the PSU can't handle it. Not because of wattage but because its low quality. If he has another PSU to test, that would be optimal before spending money. Or if he can return the Corsair and exchange it for a better quality one that would be best.
 
Solution