Hey guys 
I have a problem. I've set my PC (Windows 7) to auto sleep after 1 hr of inactivity. Problem is that sometimes it just stays on. It has no problem going to sleep when I manually make it though.
Is there some thing I can look at to see what causes it to not auto sleep?

I have a problem. I've set my PC (Windows 7) to auto sleep after 1 hr of inactivity. Problem is that sometimes it just stays on. It has no problem going to sleep when I manually make it though.
Is there some thing I can look at to see what causes it to not auto sleep?