I ruled out the graphics card, then when I went into the BIOS i noticed it was only reading 2.5 out of 3GB of my RAM, so I removed one stick now its reading 2.5 out of 2.5 sadly this doesn't help.
Is it possible for a virus to disturb the BIOS?
Or is it my southbridge overheating?
CPU: Intel Core i7-2600K CPU @ 3.40GHz
Mobo: Gigabyte Z68XP-UD3P
GFX: nVidia XFX 260 Black Edition
RAM: Corsair 12GB
Case: Antec P182
HDD 1: Western Digital Caviar Black 640GB
HDD 2: Western Digital Caviar Black 2TB
OS: Windows 7 Home Premium 64-bit