How do I force Mac to boot from USB?

Press and hold the “Option” key when you hear the startup sounds—this will bring you to the Startup Manager. Once the Startup Manager appears, you can release the Option key. Startup Manager will then start scanning your device for drives it can boot from, including your USB.

What keys do you hold down to reboot a Mac?

How to Force Restart Your Mac. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the ‌Touch ID‌ / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts.

How do I start my Mac in boot mode?

How to start Mac in Recovery Mode

1. Click on Apple logo at the top left of the screen.
2. Select Restart.
3. Immediately hold down the Command and R keys until you see an Apple logo or spinning globe.
4. Eventually your Mac will show the Recovery Mode Utilities window with the following options:

What are the key combinations on a MacBook Pro?

These key combinations apply only to Mac computers with an Intel processor, not Mac computers with Apple silicon. 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.

How do I get my Mac to boot from a USB?

Getting your Mac to load from a USB drive is fairly straightforward. Insert the USB boot media into an open USB slot. Press the Power button to turn on your Mac (or Restart your Mac if it’s already on). When you hear the startup chime, press and hold the Option key. Holding that key gives you access to OS X’s Startup Manager.

What are the startup keys for Mac OS X?

This is a quick guide of the keyboard shortcuts you can use to access useful Mac OS X features which are only available at the time of booting. If you want to boot your Intel-based Mac into any of OS X’s inbuilt startup modes, you must press and hold one or more keys detailed below after turning on the computer.

What to do when key combination doesnt work on Mac?

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.