#Combination safe mac#
#Combination safe windows#

N: Start up from a NetBoot server, if your Mac supports network startup volumes. Or use Option-D to start up to this utility over the internet. Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes.ĭ: Start up to the Apple Diagnostics utility. macOS Recovery installs different versions of macOS, depending on the key combination you use. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the internet.

Then shut down or restart and try again.Ĭommand (⌘)-R: Start up from the built-in macOS Recovery system. If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Some key combinations don't work when your Mac is using a firmware password.

#Combination safe windows#

If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac. Or use your built-in keyboard or a wired keyboard. If you're using a wireless keyboard, plug it into your Mac, if possible. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use. You might need to wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Then press and hold the key combination after pressing the power button to turn on your Mac. If you can't shut down, press and hold the power button for up to 10 seconds, until your Mac turns off. If you can't get a key combination to work when restarting your Mac, shut down your Mac first. Press and hold all keys in the combination together, not one at a time. Guidelines for using these key combinations If you're not using a Mac with Apple silicon, you're using an Intel-based Mac. Release the power button when you see the startup options screen, which shows your startup disks and a gear icon labeled Options.įrom this window you can start up from a different disk, start up in safe mode, use macOS Recovery, and more. Turn on your Mac and continue to press and hold the power button as your Mac starts up. On a Mac with Apple siliconįind out if you have a Mac with Apple silicon Learn about the Mac features and tools that you can access by holding down one or more keys during startup.