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System shutting off after several minutes

C

C1leader

Member
Hi everyone,

My system has begun shutting off after several minutes of normal use. Everything goes black for just a moment (fans, LEDs, everything), then starts up again after a second or so.

This morning I timed it at about 8 minutes of sittin at the desktop before it happened.

At first I suspected overheating, but at least as far as CPU and GPU are concerned, CPU never goes over 50 C (in Windows Vista) and GPU never goes over 60 C. In BIOS, the CPU temp creeps up to ~70 C, but I've been assured that ASRock's tuner utility alters the voltages and reads accurate temps in windows.

Fresh thermal paste on a clean CPU/Heatsink. It IS the stock heatsink and fan but I'm not overclocked in any fashion.

Any ideas what might be causin' it? I'm intermediate at hardware, and that's probably bein' generous. Any help is appreciated!

My system:

ASRock Z68 Extreme3 motherboard
Corsair Enthusiast Series CMPSU-650TX power supply
i5-2500k sandy bridge 3.3ghz processor
4 sticks of G.Skill Ripjaws X Series (4x4GB) DDR3 RAM
GeForce 8800 GTX

These are all the components I can imagine it would be; if I've left somethin' out, let me know.

Thanks yall. Love ya.
 
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Wish I could find my old one to test before I send it back! Thanks for the input, anonymouse. It sound like PSU to any other of you beautiful peeps out there?
 
Something easy you could try is taking out the vid card, load normally, and see if it still does it. And I would yank out each stick of RAM and rotate each one. I've had RAM give me some fits that you wouldn't think it would cause.
 
ky54 said:
Something easy you could try is taking out the vid card, load normally, and see if it still does it. And I would yank out each stick of RAM and rotate each one. I've had RAM give me some fits that you wouldn't think it would cause.
Click to expand...

+1

Just because it is supposed to run fine with 4 sticks of RAM doesn't mean that it will without some sort of voltage tweaking.

It might be worth firing it up with a Linux live CD just to see if it happens independently of Windows.
 
Thx for the tips fellas! I had an old friend unexpectedly come to my rescue with a power supply from his basement. Been running this one for over an hour now, when the old one shut down after 5-10 minutes.

Of interest, when I removed the suspect power supply, there's a brownish streak on the tower wall behind it that wasn't there before. I think we can say with some confidence now that, this time, it was the power supply.

Beginning RMA process, thank you all for your time.
 
Corsair is very good about RMA's so hopefully you'll have no problem replacing it. Just curious - how long ago was this system built?
 
I ordered the parts on 11/24/2011. Seems quick for a power supply to go out after 9 months, but maybe it's somethin' I'm doin'. This is the first time I've had any sort of problem with a Corsair products, but nobody's perfect.
 
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