Hey there, funny title, eh ? (; Not so funny problem. I started a thread some weeks ago because my PB crashes whenever I connect an external HD to it. I couldn't fix it, but since Timemachine continues making the backup although the PB crashes (keyboard and trackpad/mous stop working) I feel pretty save and still have it working. So here's the new issue: It freezes some 20 minutes after I start playing Call Of Duty. I tried everything, nothing worked so I decided to give it a last go and put some ice from the fridge in a towel and under the PB to cool it. Guess what happened - I can play all day, no freeze, no crash. So it seems to be some sort of overheating issue. I installed istat and it says the fans don't work at all - 0 rpm !!?? These are the temperatures right after a freeze: HD: 44 °C CPU Bottom: 49 °C CPU Top: 52 °C Battery: 35 °C Power Supply: 53 °C Track Pad: 39 °C My questions: Is istat reliable (everything else seem to work) concerning the non existent fan speed ? What am I to do in case they prove true ? Are the temperatures too high or are they quite normal and it's just the PB that can't deal with them any more cause something else inside is broken ?