My recently purchased C2D MBP 15 has been restarting by itself pretty much since I bought it. I was wondering if anyone else has also experienced this. Today for example I left my laptop here at my desk, came back from class an hour later and it had restarted when I got back. Anyone know why this is? Right now I have it set up so my account has admin access, while there is also a guest account on the computer. Are there some power saving settings that I am missing? Or do you think there's a hardware problem?