My computer just randomly turns off, now the weird thing is that i can use it for hours on end with out it crashing, or i can use it for like an hour and it will crash.
I have taken my computer apart, and cleared off all the dust and made sure all the power cables were properly connected,
I have change the power outlet that i plugged my computer in.
I've also run anti virus scan and defraged the hard drive.
I dont have any other ideas what it could be