An hour later, the tray popped open. Elias inserted the disc into his custom-built PC—a machine that, by all rights, shouldn't have been able to speak Apple's language. to enter the boot menu. Select Boot Device: CD-ROM.
: Insert a high-capacity DVD (like a Dual Layer DVD for modern macOS versions) or a USB drive (at least 16GB). mac os x live dvd highly compressed dvd transmac 81 fixed
For those looking to experience macOS without the risks of modified DVDs: An hour later, the tray popped open