Mac OS Boot shortcuts

These must be pressed immediately at startup, before the Apple Logo appears.

• Option - Open Boot, displaying all bootable sources

• Command R - boots into Recovery Partition

• Command Option R - Boot from Internet Recovery

• SHIFT - Safe Boot Mode

• Command Option P R - Reset Parameter Ram

• T - Target Disk Mode

• D - Hardware Test

• C - Boot from CD/DVD drive

• N - Net Boot

• Mouse key - Ejects media in CD/DVD drive