Sorry that this is quite a general PC question, but I do use my CD/DVD drives for various music related things so it kind of fits....!
Basically, I have a problem in that my drives do not always eject. They sometimes do and sometimes don't. No pattern as far as I can tell. It happens to both of them, and sometimes (but not all the time) if I go to My Computer and Right Click > Eject - the drive opens.
They are both Pioneer, one a DVR-215BK and the other a DVR-216BK.
Anyone got any idea why this is happening and what I can do about it?