This is a strange problem I've been having, it's kind of hard to explain. I use Firefox mostly, however if I use it for more than an hour or so the web pages stop loading right and eventually it just loads it as text with no pictures. Then when I try to get to another site it won't let me. It just stops working and stays on the page I was on, it won't refresh, won't go back to the homepage, won't go anywhere. It doesn't even start loading the page. So when that happens I usually start using Safari, which is fine and all except after a few minutes it starts doing the same thing as Firefox. It doesn't seem to be Firefox's or Safari's fault it must be the computer right? Does anyone know anything about this or how to fix it?