![]() Disabled in macOS Mojave or later.Įject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. To use the default boot image on the server, press and hold Option-N instead.Ĭommand-S: Start up in single-user mode. 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. 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. Unlike with older Mac notebooks, holding down Touch ID on your 2016 MacBook Pro doesn't display a dialog with options to Sleep, Restart, or Shut Down. If you can't get a key combination to work when restarting your Mac, shut down your Mac first. Build custom keyboard shortcut to bring up shutdown dialogue (apple.stackexchange) Touch ID button shuts down the computer (Apple Support) Another button on touch bar would be redundant. 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 Sometimes power issues can be caused by the SMC, so it makes sense to try resetting the SMC if you're having chronic shut down problems.Learn about the Mac features and tools that you can access by holding down one or more keys during startup. The System Management Controller (SMC) is responsible for low-level functions on your Mac, including power management, battery charging, and keyboard backlighting. Safe mode isn't the only alternative startup mode for your Mac, check out the full list of macOS boot modes and what they're used for. When you restart your computer, it will boot back into regular mode. Release the Shift key when you see the login window and log in as usual.Press the power button then immediately press and hold the Shift key (either one).Turn your Mac off (you may need to force shut down).Safe mode also deletes font, kernel, and system caches, along with a few other things. When you start your Mac in safe mode, the startup disk is scanned for issues and macOS will try to fix any problems that are detected. Restarting your Mac in safe mode may also help stop the problem from happening again in the future.
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