My computer keeps turning off at random times.

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iamjosh12345

Honorable
Jun 20, 2012
7
0
10,510
A couple of weeks ago, my computer started to randomly turn off. It is as if someone pulled the plug. I checked the temps with core temp and speccy, and while playing a highly modded skyrim at max settings, the cpu tem got up to 67c and the gpu got up to 60c. idle temps are below. the only changes that I had made around that time was adding a second screen. I have tried removeing the screen, but it is still cutting off. Can someone please help?

My computer's specs are:
Operating System
Windows 7 Home Premium 64-bit SP1
CPU
Intel Core i5 3570K @ 3.40GHz 29 °C
Ivy Bridge 22nm Technology
RAM
8.00GB Dual-Channel DDR3 @ 686MHz (9-9-9-24)
Motherboard
ASUSTeK COMPUTER INC. SABERTOOTH Z77 (LGA1155) 25 °C
Graphics
SANYO LCD (1176x664@60Hz)
4095MB NVIDIA GeForce GTX 760 (Gigabyte) 30 °C
Storage
149GB Western Digital WDC WD1600AAJS-00YZCA0 (SATA) 29 °C
465GB Western Digital WDC WD5000AAKS-00UU3A0 (SATA) 29 °C
238GB Samsung SSD 840 PRO Series ATA Device (SSD) 26 °C
Optical Drives
Optiarc DVD RW AD-7260S
ELBY CLONEDRIVE SCSI CdRom Device
Audio
NVIDIA High Definition Audio
Power supply
corsair 800watt
tower
coolermaster haf 932

The temps are at idle.

 
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K

korkow

Honorable
Jan 23, 2013
9
0
10,520
I bet your power supply is to blame. Over the years, I've had many power supplies fail on me, and when it does, the computer will suddenly shut off during high stress. I bet it happens only when you're running a demanding program, yeah?

Unfortunately, if that's the case, you pretty much just have to buy a new power supply :/
 
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iamjosh12345

Honorable
Jun 20, 2012
7
0
10,510


I think you may be right, but it does happen sometimes with low stress levels. The last time it happened when I opened Firefox. Do you think there is a chance it is the video card? that is my fear because it is the most expensive piece in my rig.
 
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E

eternallydead

Distinguished
Jan 1, 2007
55
0
18,640
I have a similar problem, I am thinking it is the PSU or Mobo.

Do you have to power cycle the PSU before it will turn on again? I am going to get a temp PSU and see if the same thing happens, if it does, i wonder if the Mobo could be the issue. We currently use the same Sabertooth Motherboard.
 
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