My comp with the case closed reaches around 100 degrees celcius on the cpu according to the bios. With the case open and a fan on it I can get it down to 70 degrees or so if I also keep my house cold. My computer has had many BSOD's with random failures and stop errors. When I keep the temp down it seems to never crash on things my comp would normally crash on while it's case is on. A pic of the bios settings while the case is off and with a fan is on it at room temp: http://img149.imageshack.us/img149/3041/dsc01357bu5.jpg An image of inside my comp and which way fans are blowing: http://img149.imageshack.us/img149/5968/dsc01358fh4.jpg I have a AMD athlon 64 x2 Core Processor 6400+ going 3.21 Ghz Any idea on what to do? I'm not so great at the whole keeping my computer cool thing. What fans should I buy? What should I change? Etc. Any help is very appreciated.