Computer Keeps Crashing

Hey everyone I put together a computer with following specs and it worked fine for awhile but now after a few minutes the computer will just shut down (as though the power in the house was cut off). There’s no warning or blue screen of death.
Windows 64-bit Home premium
Intel Core i7-2600K Processor
Corsair Vengeance Blue 16 GB DDR3 SDRAM Dual Channel Memory
Crucial 128 GB m4 2.5-Inch Solid State Drive SATA 6Gb/s
EVGA GeForce GTX 560 Ti Superclocked 1024MB GDDR5 PCI-Express 2.0
Intel Motherboard DZ68BC
Cooler Master GX Series 750W ATX Power Supply RS750-ACAAE3-US
Blu-ray burner
1TB Hard Drive

Here’s what I tried so far:
1. Ran windows memory diagnostic: passed
2. Checked temperature using Intel desktop utility: well within tolerances
3. Checked voltage using intel desktop utility: well within tolerances
4. Checked voltage using CPUID HWMonitor- looks ok except says +12V is at 7.3V (not sure why its different than intel desktop utility)
5. Ran check desk process to validate hard drive : passed
6. Changed video card: passed
7. Checked the connections from power supply: seems ok
8. Reinstalled windows 7: Passed (so painful)
9. Took out all 4 RAM modules one at a time (all seemed to work)
10. I attached a UPC in case its due to voltage coming from the wall
11. Called Intel support: Sucked
It seems to happen more often when I play Star Wars: The Old Republic but now its happening even without running programs.
Its become very frustrating and would greatly appreciate it if anyone could help me with this issue.

Thanks in advance for any help you might provide!
3 answers Last reply
More about computer crashing
  1. Ok a bit more information:

    1. I am not overclocking the CPU
    2. When it dies, usually I can turn it back on right away though sometimes the lights on the Mobo will blink and not allow me to turn it back on until it stops
    3. I have updated the BIOS and the drivers for the graphics card.

    thanks :pt1cable:
  2. That reading on the 12v rail is not good. I would try to swap out the ps if I had a spare or try yo find a comp. shop that can test it under load. It must be tested under load as just testing at the connectors without load is useless. Seems like you have got it down to MB, PS or CPU. CPU failure of this type is rare so that leaves you MB or PS. Also the fact that it happens more often over time does suggest something is deteriorating.
  3. What video card did you change to for your test?
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