... iTunes How the Mac Does Disks Burning CDs and DVDs iTunes: The Digital Jukebox DVD Movies 11.1. How the Mac Does Disks Apple shocked the world when, in 1998, it introduced the iMac ... of the Dock) makes the Mac spit the disk out. (If you've dragged a disk image icon or the icon of a networked disk, this maneuver unmounts them—that is, gets them off your screen.) The ... the CD button does indeed eject the disc.) But on the Mac, pushing the CD-door button ejects an inserted disc only when the disc wasn't seated properly, or the Mac couldn't read the...