Windows 7 Ultimate GTX 580 cosair TX850 ASUS p8z68-V/GEN3 (The bios for this Confuses me!!) i7 2600k (Forgot the name of my heatsink and fan) Its by coolmaster (its a good one) HAF32 So plenty of case fans PC hissing/ CPU overheating When playing games then BSOD. This has been happening on almost every game I play, apart from ones with like PS2 graphics. The hissing noise starts asoon as i hit some graphically intensive areas. Sorry for the lack of info but I really have no idea whats wrong with it Heres some more info if it helps : Please help!!