Re: My computer keep's shutting off..
MattXCore, I don't know if you solved your problem at this writing, but I had a similar problem.
I replaced a processor with a new one, scrapped off the heat pad from the heat sink and applied a small drop of Arctic Silver to the Processor and reattached the heat sink.
The computer started ok and ran for a few moments and then shut down. This happend numerous time before I found that I had not completely locked down the processor into its socket even though I had double checked it before closing the case.
Fortunately, no damage occurred. However, my simple and stupid error nearly cost me a processor.
By the way, I heartily recommend disposing of the heat pad and using Arctic thermal grease.