MAC FORCE EJECT DISK IMAGE

How to Force Eject a Volume or Drive in OS X - mactrast
Jul 13, 2012Sometimes OS X doesn't want to let you eject a volume or an external drive. Sometimes this is because a program is using a file on the volume in question, but other times the volume just seems to be stuck! We'll show you two ways to force your Mac to let go!Author: J. Glenn Künzler
How to Eject a CD From Your Mac: 12 Steps (with Pictures)
Views: 1MEjecting Normally: Press your Mac's "⏏ Eject" button. This key is in the top-right corner of your Ejecting a Stuck Disk: Close any open apps. Some CD drives—especially external ones—won't