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Originally Posted by Dzzope heat sounds like a likely culprit.. especially IF it's gotten progressively worse (though that can go the same for hardware failure.) |
Agreed, hardware failure can cause that over time. My wife's computer had the same problem with caps on the motherboard degrading and bulging. Another possiblity is to purchase a really really really cheap video card to test out software/graphics related problems(make sure of the retuen policy if you don't want to keep it afterwards).
The only other option I can think of at the moment is the dreaded re-install of Windows. If you do that and you still have the problem then it's almost certainly a hardware issue. The memory test is a very good idea. If all of that show up clean then it's a possibility that it might be the motherboard or the PSU. Keep in mind that these are worst case scenarios and it may turn out to be something simple. But be prepared incase it does turn out for the worse.