My roomate put my computer to sleep a few minutes ago. I noticed when i looked at the computer that there was no strobing light on the bottom corner saying the computer was sleeping. Thinking it was shut down I walked over to my desk to put someting down and noticed that the hard drive was humming, the system was still on. Hit the space bar and everything and the screen refused to come back on, I shut it down and restarted it slept fine a few test runs. Has anyone else had this problem, it worries me to think I have only had the system for a few months and it's acting screwy already....