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Computer Loses power suddenly

Last response: in Components
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May 21, 2012 5:13:10 AM

My computer seems to suddenly turn off at random. I have not been able to diagnose the problem. It started happening a few days after I Overclocked my CPU.
I ran AIDA64 Stress Test For 5 Hours with no problems, the computer seems to turn off even when everything is idle. So I am not sure if it is a PSU Problem.

I can use it for hours with no shutoff, while playing games, and then it will suddenly shut off while I am watching a youtube video or on Skype, it has eve shut off when it is in Sleep mode! My Idle temps are in the 30's CPU.

I am not sure if voltages play a part in it, my CPU is currently at 1.3Volts.


Specs are
OS: Win7 Ultimate 64bit
Processor: Intel Core i5-2500K @ 4.4 GHz OC - 1.3V
Motherboard: ASUS P8P67 DELUXE
Video Card: NVIDIA GeForce GTX 570 1280MB OC' 800 - 1600 - 1900
RAM: 8GB G.SKILL DDR3 1600MHz
PSU: Corsiar TX650W

a c 139 ) Power supply
May 21, 2012 12:44:45 PM

After you set everything back to stock settings are you still having problems?
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May 21, 2012 12:52:13 PM

Yes, even at stock it turns off randomly.
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a c 139 ) Power supply
May 21, 2012 12:55:57 PM

An OS or RAM problem would usually end in a BSOD blue screen.

Still, its probably a good idea to run Memtest96+ and rule out the RAM.
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a c 1167 ) Power supply
May 22, 2012 12:52:29 AM

Are you using an SSD?
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May 22, 2012 2:46:11 AM

WR2 said:
An OS or RAM problem would usually end in a BSOD blue screen.

Still, its probably a good idea to run Memtest96+ and rule out the RAM.


Memtest86 ran with no problems....

ko888 said:
Are you using an SSD?

Yes I am using an SSD.
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a c 1167 ) Power supply
May 22, 2012 3:01:42 AM

Is the OS set to allow the SSD to be turned off to save power after a set idle period?

I know some SSDs can't resume or wake up from the powered down state so the system will lockup or spontaneously reboot. Just something to check for and disable to determine if it solves the problem.
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May 22, 2012 3:06:37 AM

ko888 said:
Is the OS set to allow the SSD to be turned off to save power after a set idle period?

I know some SSDs can't resume or wake up from the powered down state so the system will lockup or spontaneously reboot. Just something to check for and disable to determine if it solves the problem.


Set Power options to NEVER Turn hard drives off. Testing.
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May 25, 2012 8:15:50 PM

Computer was still shutting down after recommended changes.

Changed the PSU to a Corsair AX850.
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!