How do I wipe my Mac and start fresh?
Erase and reinstall macOS
- Start up your computer in macOS Recovery:
- In the Recovery app window, select Disk Utility, then click Continue.
- In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.
How do I restart my Mac to choose OS?
Start up your Mac in Windows or macOS with Boot Camp
- In Windows on your Mac, click.
- If a User Account Control dialog appears, click Yes.
- Select the startup disk that has the default operating system you want to use.
- If you want to start up using the default operating system now, click Restart.
How do I go back to previous OS on Mac?
How to revert to an old macOS using Time Machine
- Start up your Mac and immediately hold down Command + R.
- Continue holding both keys until you see the Apple logo or a spinning globe.
- When you see the Utilities window choose Restore from Time Machine Backup and click on Continue.
- Click Continue again.
How to start up a MAC in recovery?
1 Start up your computer in macOS Recovery: 1.1 On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until you see “Loading startup options,” select Options, 1.2 On an Intel-based Mac: Choose Apple menu > Restart, then immediately press and hold Command-R.
What do I need to do to reinstall Mac OS?
If you’re reinstalling on a Mac notebook computer, plug in the power adapter. Start up your computer in macOS Recovery: On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until you see “Loading startup options,” select Options, click Continue, then follow the onscreen instructions.
What do I need to restart my MacBook Pro?
All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu in the menu bar. This menu is also available in macOS Recovery. To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following combinations on your keyboard.
How to reinstall macOS Big Sur on MacBook Pro?
In the Recovery app window, select “Reinstall macOS Big Sur,” click Continue, then follow the onscreen instructions. Helpful? Please don’t include any personal information in your comment.