Optical drives typically include a small pinhole large enough to insert a paper clip end to manually eject a stubborn disc. Since the Mac Mini doesn't include this feature, you must use other methods ...

I have a Powerbook G4 Mac and a CD won't eject. It's one of those slot feed types that doesn't have a tray that comes out. No emergency eject holes I can stick a paperclip into or anything. Any ideas ...