OK hardware configuration is:
PSU: Xigmatek NRP-PC702 700W
CPU: Intel Core-i5 2500k
Motherboard: Gigabyte P67A-UD3
GPU: ATI Radeon HD 6950
RAM: GeIL 8GB (2x4GB) DDR3 PC3-12800C9 1600MHz VALUE PLUS Dual Channel
I've been running this set up for a few months, and today all of a sudden it...