My laptop (HP Pavilion DV7) has been making a weird buzzing noise for a week or 2 now and I can't figure out what the **** it is. My first thought was the fan because it is coming from the upper left side near one of the vents (same place that I made another thread about when it was getting hot as hell) but it seems like it doesn't turn on and off with the fan. It's just starts at random. Sometimes it will only do it for like 20 min. and other times it will do it for hours. When it first started I could tap where the noise is and it would go away. It wasn't a hard tap either. I would use my pen and tap it about as hard as you normally would like in class tapping your pen on your desk. That doesn't work anymore and now it's at the point where it is doing it almost constantly. Anyone have any ideas? I have it sitting on a cooling pad btw and I checked it and I don't think it's the pad making the noise.