I'm having some weird problems (annoyances). First, I don't think that Quartz Extreme is on. When I watch DVD's, I can't see through the menu's, and when I put it into the Dock, they don't continue to play. Maybe I just don't know what to look for either. Another thing is that my PowerMac makes little squeaks every second (on time too), and is emmited from the very back of the machine, near the power plug. Does anyone know why I am experiencing these problems? If so, what can I do?