Ok, first, I have a folder on my desktop that I keep a LOT of stuff in, like 3.33GBs of stuff in. Well, everything was going good until a day or two ago, I was going to open a picture in windows picture and fax viewer (the default picture viewer) and it takes FOREVER for it to load the picture! but if i put that picture just straight on my desktop, it loads quickly. And also, my computer's fan has been acting weird lately, it's really loud now and it'll go crazy when I just use the scroll wheel on my mouse. What can I do to fix these things?