| Command (⌘)-R | macOS Recovery system |
| Option-Command-R or Shift-Option-Command-R | macOS Recovery with internet support |
| Option (⌥) or Alt | Startup Manager (gives you the option to choose other available startup disks or volumes) |
| Option-Command-P-R | Reset NVRAM or PRAM |
| Shift (⇧) | Safe Mode |
| D | Apple Diagnostics utility |
| Option-D | Apple Diagnostics utility with internet support |
| N | NetBoot server |
| Command-S | Single-user mode (Disabled in macOS Mojave or later |
| T | Start up in target disk mode |
| V | Verbose mode |
| Eject (⏏), F12, Mouse Button or Trackpad Button | Eject removable media |
