HP shuts off and difficulty turning back on

September 7, 2009 at 02:28:05
Specs: Windows Vista
HP with AMD athlon 64 2.8 dual core, 4gb ram, 500gb HD.
I have had my hewlett packard for quite some time. It randomly started shutting off on me. When you try to restart it says that windows failed to load and reccomends i run with launch repair.
Sometimes it will stay on long enough to do launch repair sometimes not.
Once you get it started sometimes it will run for 5 min, sometimes 3 days before doing it again.
At first i thought it was overheating. I removed the heatsink, and cleaned it out(very dusty). Put it back on using some old thermal paste i had lying around.
Still did it so i thought it might be the fan on the processor fan bad, so i replaced that (using arctic silver 5 thermal paste). That still didnt fix it.
A friend of mine suggested it might be a ram issue so i removed 2 sticks and it did it then i switched to the other 2 sticks. It did it on both occassions so i doubt that all 4 of my ram sticks have gone bad.
It has me stumpped. I have ruint lots of DL DVD's because it will be in the middle of burning something and it just shuts off b4 completion.
I have also ran virus checks, spyware checks, system restore, Etc.
At this point i dont know if its a hardware or software problem. I plan to try doing a windows repair via a Vista installation disc but i doubt it will help. If its not a software issue my only thoughts is that it would have to be the power supply, MOBO, or processor. But if it were one of those hardware pieces i just listed i didnt think it would work at all. Any suggestions?

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September 7, 2009 at 02:54:25
Hard one.

I would put my money on Power Supply (dry-out elco's)
Maybe you could borrow a Power Supply from a friend or so to check it.
Also check out the Elco's on your MOBO if they have a bulge head

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