My macbook (fine for almost a month) has started to constantly make noise. It's not a moo, but it's kind of like my old computer, you can constantly hear...... something making a noise in the background (i don't think it's the fans) and it also makes... electronic noises. I can't really explain it better than that, but I'm hoping someone will be able to help me out anyway. I haven't really turned it off since I got it (once to calibrate it, and a couple times for reboots here and there). Anyone have an answer? Thanks.