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PC shuts off when playing (some) games?

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April 23, 2009 9:30:46 PM

Hey all.

I'm having quite a weird problem. When playing some games (Oblivion, Guild Wars, The Frozen Throne), my computer will shut down after about 20 minutes off play time. My temperatures are all fine (CPU never hits over 50C when gaming...GPU never over 60). The weird thing is, it only shuts down during those three games. I can play Crysis and benchmark with Prime95 and 3Dmark without having this problem. It's really weird...do you think it could be the power supply? (I dont think thats possible because like I said P95 runs fine...and thats much more intensive). Conflicting drivers? Has anyone else had a problem like this before? I'm stumped.

Here's my specs:
Motherboard: MSI P7N Platinum 750i
Processor: Intel Q6600@2.4ghz
CPU cooler: Arctic 7 Cooler Freezer Pro
Graphics cards: 2x XFX 9600GT\'s in SLI
Memory: 4GB of OCZ Platinum DDR2 1066
Hard Drive: 2X 160GB 7200RPM Seagate Barracuda
Power Supply: Antec NeoPower 550W
Case: NZXT Apollo
Mouse: Razer Diamondback
Keyboard: Razer Acrosta
Monitor: Dell 2408WFP
Speakers: Bose Companion 5
OS: Vista Premium 64/Ubuntu 8.10

All help is appreciated.
Kind regards, your friendly neighborhood troll.

More about : shuts playing games

April 23, 2009 9:37:56 PM

By the way, my Q6600 is OC'd to 3.0ghz.
April 23, 2009 9:40:05 PM

I would say that power supply is the most likely problem however 550w should be enough for your system. Have you ran memtest to check the stability of your ram, you could also try running with only one stick of ram to see if it makes any difference.

That is all I can think of if temps are fine, mabye someone else has any ideas? ;) 
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April 23, 2009 9:44:55 PM

Ran memtest a few days ago came up with no errors...and if it was a memory problem, when I run P95 wouldnt it turn off there?
April 23, 2009 9:48:07 PM

Another small tidbit...the PC doesn't turn off. The monitor just goes blank and the computer is completely unresponsive.
April 23, 2009 9:59:53 PM

Next thing I would try is to reinstall one of the games, if you have not already. Anything that is different about the way you installed those games? Are all your drivers and patches up to date? If yes, I would say the only thing left would be the power suppley, a q6600 at 3.0, two hard drives, two video cards may just be to much for it.

Good Luck :pt1cable: 
April 23, 2009 10:04:45 PM

I would remove the overclocking and set the voltage on the memory to specified specs. Then test to see if the system stays stable. If you still have issues remove one of the video cards and try that, may not have enough power for both.
April 23, 2009 10:43:05 PM

If power is the issue, how come I'm fine when running P95? 100% cpu usage compared to 30% or so when playing games...it doesnt add up...
April 23, 2009 11:56:32 PM

I had a similar problem recently with my computer locking up & rebooting after 15mins only when playing GRID (UT3 was fine). I just upgraded from 2GB to 4GB and thought that might have something to do with it, but I tracked the problem down to the CPU VCore setting. It would appear that after running OC'd for a year now that my processor needs slightly more voltage. It's an E2160 @ 3.0GHz...original VCore was at 1.425 and I had to bump it up to 1.4375. I can't say for sure it's CPU wear, as I hadn't played any games for quite awhile, but it does look that way.
a c 122 B Homebuilt system
April 24, 2009 1:55:52 PM

"If power is the issue, how come I'm fine when running P95? 100% cpu usage compared to 30% or so when playing games...it doesnt add up..."

P95 will load the the CPU to 100% but it represents a trivial load to the graphics system. A full 3D gaming load is more than twice as great as a 2D desktop load.

Even so, your PSU, if working properly should be able to carry your system load.
April 24, 2009 5:02:52 PM

Orion, your the man!

I gave my CPU a little more juice and that fixed the problem. Thanks!
!