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 ...
Turn off your computer. Bend the end of the paper clip outwards, so that you have a straight section of wire. Look closely at the front panel of your CD or DVD drive – you should see a tiny hole. Push ...
First, restart your Windows PC and see if it helps. I have found that a simple restart solves many problems, including this one. You may also try clicking on the Eject button while the computer is ...