I know the optical drive normally makes the ejecting sound with start-up or when awoken from sleep, but occasionally my MacBook will continue attempting to eject (with no disk in the drive) beyond that. Also, sometimes it seems to want to eject if it is jostled and sometimes--although I'm sure, I do a lot of work with it on my lap instead of on a desk--when it is relatively still. I'll go months without it being a problem and then it will start up again, do it sporadically, and then stop. It just started again--with no inserted disk--yesterday. Any fixes? If it's just a problem with the disk drive, I don't mind as much--I'm more concerned about possible hardware/system damage. Is it a problem? Please help!