15 Startup Key Combinations for Mac | |
---|---|
Hold during startup | Description |
Shift ⇧ | Start up in Safe Mode. |
Option ⌥ | Start up to Startup Manager. |
C | Start up from a bootable CD, DVD, or USB thumb drive (such as OS X install media). |
D | Start up to either Apple Hardware Test or Apple Diagnostics, depending on which Mac you're using. |
Option-D | Start up to either Apple Hardware Test or Apple Diagnostics over the Internet. |
N | Start up from a compatible NetBoot server. |
Option-N | Start up from a NetBoot server using the default boot image. |
Command (⌘)-R | Start up from OS X Recovery. |
Command-Option-R | Start up from OS X Recovery over the Internet. |
Command-Option-P-R | Reset NVRAM. Release the keys after you hear the startup sound again. |
Command-S | Start up in single-user mode. |
T | Start up in target disk mode. |
X | Start up from an OS X startup volume when the Mac would otherwise start up from a non-OS X startup volume. |
Command-V | Start up in verbose mode. |
Eject (⏏), F12, mouse button, or trackpad button | Eject removable media, such as an optical disc. |
MyVolume
in these commands with the name of your volume.Y
to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the bootable installer is created. --applicationpath
argument, similar to the way this argument is used in the command for El Capitan.createinstallmedia
command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal: