Computer randomly restarting itself?

Wow, I haven't posted here in a while :D

Anyways, my computer seems to be restarting itself every 2-4 hours. Does anyone know what might be causing this? OS is Vista Home Premium 64bit.

I don't think the problem is my CPU temp, as this problem has only started to arise in the past week or so, and my processor has been overclocked for almost 6 months.

I'm running memtest as I type this, though :)

I don't think the problem is my CPU temp, as this problem has only started to arise in the past week or so, and my processor has been overclocked for almost 6 months.

I'm running memtest as I type this, though :)

RFOMownage

CPU Idles @ ~120F (~48C), goes up to ~155F under load.

CPU Idles @ ~120F (~48C), goes up to ~155F under load.

RFOMownage

No im using a Xigmatek

http://www.newegg.com/Product/Product.aspx?Item=N82E16835233003

No im using a Xigmatek

http://www.newegg.com/Product/Product.aspx?Item=N82E16835233003

RFOMownage

Does it just poof and restart? Or does it say Windows is now restarting etc?

Does it just poof and restart? Or does it say Windows is now restarting etc?

JigglyWiggly_

Might need to grab some compressed air and do some cleaning. Your CPU is reaching almost 70C, which is not good.

i had that problem r u sure the cooler is pressed down onto the processor properly?

and make sure u have enuff thermal paste and u haven't scratched any of it off newere on the cpu

Ill remount the Cooler sometime later today, but the problem seems to have stopped.