a deep humming noise coming from it that wasn't there yesterday! I've switched it off and on again and it's still there, it's really annoying. Anyone any ideas? It's not going to blow up is it? All my games are saved in there! : (
Or a tired cooling fan bearing, one that needs a little lubrication.
A drop of oil often cures noisy fans, but of course a lap top is much more difficult to get into than a desk top.