| ⌘ Cmd-R | Start up from the built-in macOS Recovery system. |
| ⌥ Opt-⌘ Cmd-R | Start up from macOS Recovery over the internet, using the latest macOS version compatible with your device. |
| ⇧ Shift-⌥ Opt-⌘ Cmd-R | Start up from macOS Recovery over the internet, using the macOS version that came installed with your device. |
| ⌥ Opt or Alt | Start up to Startup Manager. |
| ⌥ Opt-⌘ Cmd-P-R | Reset NVRAM or PRAM. |
| ⇧ Shift | Start up in safe mode. |
| D | Start up to the Apple Diagnostics utility. |
| ⌥ Opt-D | Start up to the Apple Diagnostics utility over the internet. |
| N | Start up from a NetBoot server |
| ⌥ Opt~~N | Start up from a NetBoot server, using the default boot image. |
| ⌘ Cmd-S | Start up in single-user mode. Disabled in macOS Mojave or later. |
| T | Start up in target disk mode. |
| ⌘ Cmd-V | Start up in verbose mode. |
| ⏏ Eject or F12 or mouse/trackpad button | Eject removable media. |