Just a quick little update. I got to thinking about maybe it was dirty inside so I blew out the vents around the cpu and fan and got a cloud of dust out. I then turned the system back on and it ran for nearly 3 days no problem. I was using the laptop a couple of days ago and it was running fine for nearly a week and all of a sudden it crashed. It wasn't hot and I wasn't doing anymore than I had for the previous week. Why would this happen all of a sudden after a week of working fine?