> The Hard Drive lights comes on (not flickering, just on) for about a > second, then it makes a "bzz-bzzz" sound like it's reading/writing really
> intensely
Check your /var/log/messages . Urgently.
There are a number of things that can lead to this sort of behaviour - and
one of them is a failing drive. *If* your drive is on the way out, get it
changed early. That gives you a good chance of recovery without losing
anything :-)