I have had my PC for about 3 weeks. I think one of the components is bad. I'm sure the ram and cpu isn't bad because I have tested those pretty extensively but I'm not positive. I run intel burn test prime95 and memtest for multiple hours on the last two. When I play max payne 3 it usually crashes within 20 minutes. It has crashed a few times on half life 2. It has even failed once on the internet. Once it gets past an hour on it usually works without problem though. I run fur mark on it and it crashes about half the time. When my system crashes it completely freezes and doesn't BSOD. It has only BSODed once or twice. No I am thinking it is either PSU or GPU failure and I'm leaning towards GPU failure. The computer always turns on and starts without failure. It ussually crashes during or immediately after. I have my CPU slightly undervolted put it's stable in tests. I have 304.48 beta drivers. My specs are listed in my status. Can you tell me what you think is wrong with my PC and what tests should I run to test it?