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Windows 7: Random Computer Power Cutouts

29 Aug 2011   #1

Windows 7 Home Premium
Random Computer Power Cutouts

My computer randomly turns off. It doesn't shut down, but instead just turns off as if someone yanked the power cord out. I suspected an overheating CPU, so I cleaned out my heatsink, and I am running at a cool 50 degrees Celsius, but the problem still occurs. Also, I just upgraded to a new PSU, so i hope that is not the source of the problem.

An odd observation that I have made is that the power cutouts only happen when 1) i am actively using my computer , or 2) a background program such as "backup agent" is running. I can stream media from the PC for hours to my Xbox with no issues at all. Also, if the computer will be fine for days if I do not use it and none of those background utility programs run.

I was hoping that someone would be familiar with this situation and/or would have some troubleshooting tips. I don't want to go replacing parts until I know whats wrong.

Please let me know if any additional information will help, and thanks!

My System SpecsSystem Spec
29 Aug 2011   #2

Windows 7 Professional 64 bit

Hi and welcome to seven forums.

Sounds like something is killing it real quick, could certainly be a few things,guess you need to rule them out 1 by 1.

Do you have another PSU you could use temporarily to see if the new one is the culprit and faulty?
My System SpecsSystem Spec

 Random Computer Power Cutouts

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