Hello, i just bought some new computer parts to my pc. I got a buddy of mine to help me install them, it worked perfactly for a couple of days then suddenly my screen froze while playing and the screen starting blickin black and normal but not that fast. Then i restared my computer and windosed started perfectly but after acouple of seconds the screen turned black. I tried reinstalling my NVIDIA drivers but it didnt work, i also tried using a earlyer version of the drivers. Im jusing NVIDIA GTX 660 graficscard, Asus M5A78L-MLX motherboard and AMD-FX 4100 4core prosessor.