How to turn on or turn off your Mac

You can turn on your Mac by pressing the power button. Some Mac notebooks also turn on when you open them or connect them to power. Choose Shut Down in the Apple menu to turn your Mac off.

Turn on (start up) your Mac

Press the power button, which is usually marked universal power symbol.

  • MacBook Pro (15-inch, Late 2016) and MacBook Pro (13-inch, Late 2016, Four Thunderbolt 3 Ports): The power button is adjacent to the Touch Bar and integrated with the Touch ID sensor. Press Touch ID (power button) to turn on your Mac.
  • Other Mac notebooks: The power button is a key in the top corner of the keyboard, or a circular button next to the keyboard.
  • Mac desktop computers: The power button is a circular button on the back of the computer.
    iMac power button

MacBook Pro (15-inch, Late 2016), MacBook Pro (13-inch, Late 2016, Four Thunderbolt 3 Ports), and MacBook Pro (13-inch, Late 2016, Two Thunderbolt 3 Ports) also turn on when you open their lid or connect them to power, as long as your battery has some charge.

After you turn on your Mac, it begins the startup process. If it doesn't turn on, learn what to do.

Turn off (shut down) your Mac

The best way to shut down your Mac is to choose Shut Down from the Apple () menu.

Just as your Mac follows a startup process after it turns on, it follows a shutdown process before it turns off. That process includes automatically quitting all open apps and logging out of your macOS user account. 

If you can't shut down your Mac because it isn't responding, you can force it to turn off without shutting down. Hold down the power button until your Mac turns off. 

Use this method only when you can't shut down. You'll lose any unsaved changes to documents that you have open.

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