Hello i got a i7 cpu but in windows 7 64 bits in task mananger it only shows 2 core. Link Removed due to 404 Error in win xp it show 8 core. My space: motherboard: GA-EX58-UD3R HD 5770 1 GB PSU: 720 W CPU: I7 6 GB MEMORY Windows 7 64 bit ultimate / win xp pro how can i fix this?