To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart. Keep holding until the described behavior occurs.
- Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're prompted to enter the password.
- Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes. If your Mac is using a firmware password, you're prompted to enter the password.
- Option-Command-P-R:Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.
- Shift (⇧): Start up in safe mode. Disabled when using a firmware password.
- D: Start up to the Apple Diagnostics utility. Or use Option-Dto start up to this utility over the Internet. Disabled when using a firmware password.
- N: Start up from a NetBoot server, if your Mac supports network startup volumes. To use the default boot image on the server, hold down Option-N instead. Disabled when using a firmware password.
- Command-S: Start up in single-user mode. Disabled in macOS Mojave or later, or when using a firmware password.
- T: Start up in target disk mode. Disabled when using a firmware password.
- Command-V: Start up in verbose mode. Disabled when using a firmware password.
- Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. Disabled when using a firmware password.
If a key combination doesn't work
If a key combination doesn't work at startup, one of these these solutions might help:
- Be sure to press and hold all keys in the combination together, not one at a time.
- Shut down your Mac. Then press the power button to turn on your Mac. Then press and hold the keys as your Mac starts up.
- Wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use.
- If you're using a wireless keyboard, plug it into your Mac, if possible. Or use your built-in keyboard or a wired keyboard. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac.
- If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Then shut down or restart and try again.
Detach mouse - ctrl + alt + z; Immersive mode - ctrl + shift + i; EXITING THE STREAM. Quitting the Mac Application - command + Q or command + W; Quitting the Windows Application - alt + F4; Quitting the Raspberry Pi Application - ctrl + alt + Quitting the Linux Application - ctrl + alt + FRIEND SHORTCUTS. Allowing access to a friend trying. Select Virtual Machine Send Ctrl-Alt-Del. If you are using an external PC keyboard, press Ctrl+Alt+Del. On a full-sized Mac keyboard, press Fwd Del+Ctrl+Option. The Forward Delete key is below the Help key. On a Mac laptop keyboard, press Fn+Ctrl+Option+Delete.
Remember that some key combinations are disabled when your Mac is using a firmware password.
Learn more
- Learn what to do if your Mac doesn't turn on.
- Learn about Mac keyboard shortcuts that you can use after your Mac has started up.
No doubt most people who've switched to Mac computers from the PC world are familiar with the CTRL + ALT + DEL command. It's used to bring up the task manager, and when pressed twice will reboot the computer.
Contents
How do I use CTRL + ALT + DEL on a Mac?
The Mac equivalent of CTRL + ALT + DEL (Control + Alt + Delete) is Command + Option + Escape. You can use those commands to force-quit frozen apps on the Mac.
Hold down the CTRL and Option keys (located on either side of the space bar) then press the Escape key. This will bring up the Force Quit window showing a list of your open applications. Choose one and press the Force Quit button to immediately end that application.
You can also force a hanging application to quit by right-clicking (CTRL + Click) on its icon in the Dock and choosing 'Force Quit' from the context menu.
Also useful: How to Install .dmg Files on a Mac
How to Force Reboot or Shut Down a Mac?
Macs have a separate key combination to force a reboot: Command-Option-Power. Hold down the Command and Option keys then press the power button to restart the computer.
Note: On Mac OS v. 10.12 'Sierra' (only), you need to follow these additional steps to install. So without further ado, here are the CC 2015.5 links! Creative Cloud 2015.5 – Adobe CC 2015.5 Download Links – ALL Languages U PDATE (Nov. 2019) – These still work to download some original CC 2015.5 installers.
Remember that some key combinations are disabled when your Mac is using a firmware password.
Learn more
- Learn what to do if your Mac doesn't turn on.
- Learn about Mac keyboard shortcuts that you can use after your Mac has started up.
No doubt most people who've switched to Mac computers from the PC world are familiar with the CTRL + ALT + DEL command. It's used to bring up the task manager, and when pressed twice will reboot the computer.
Contents
How do I use CTRL + ALT + DEL on a Mac?
The Mac equivalent of CTRL + ALT + DEL (Control + Alt + Delete) is Command + Option + Escape. You can use those commands to force-quit frozen apps on the Mac.
Hold down the CTRL and Option keys (located on either side of the space bar) then press the Escape key. This will bring up the Force Quit window showing a list of your open applications. Choose one and press the Force Quit button to immediately end that application.
You can also force a hanging application to quit by right-clicking (CTRL + Click) on its icon in the Dock and choosing 'Force Quit' from the context menu.
Also useful: How to Install .dmg Files on a Mac
How to Force Reboot or Shut Down a Mac?
Macs have a separate key combination to force a reboot: Command-Option-Power. Hold down the Command and Option keys then press the power button to restart the computer.
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To force the computer to shut down, hold down the power button for between 5 and 10 seconds.
Forcing a reboot or a shutdown is not advised unless there is no other option. Performing these actions can result in data loss, especially if there are applications running or external storage devices connected. You should first try to correctly reboot or shut down the computer:
Ctrl Shift Del For Mac Os
- The right way to reboot a Mac is to click Apple → Restart…
- The right way to shut down a Mac is to click Apple → Shut Down…
Ctrl Alt Shift Del
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