Ok I have been plagued by the same issue and have looked EVERYWHERE and done EVERYTHING suggested now here is the weirdest thing the damn computer works fine when I lay it down on its side and the motherboard is parallel with the ground so that indicates that when its standing up something must be loose and is causing this short out effect that keeps bluescreening my PC its blowing my mind I have taken aprat everything and retightened it all up and even changed the CPU retention bracket and I still cant figure it out.