Hi there, First of all, english is not my native language, so, I appologist for mistakes in advance.
GA-P67A-D3-B3 Bios F6 (updated today, before, with same issue was F5)
2 x 4GB G.Skill RipjawsX DDR3-1600 1.5v
Cooler Master GX 750w 80plus
EVGA GTX 560 1GB (I tried...