macOS
How do I reset a Mac?
Quick answer
To reset a Mac, you need to erase the hard drive and reinstall macOS using Recovery Mode.
Resetting your Mac can help resolve performance issues or prepare it for a new owner. Follow the steps carefully to ensure all data is backed up and the reset is successful.
Steps
- 1
Backup Your Data
Use Time Machine or another method to ensure your files are safe before proceeding.
- 2
Enter Recovery Mode
Restart your Mac and hold Command (⌘) + R until the Apple logo appears.
- 3
Erase the Hard Drive
Select 'Disk Utility', choose your hard drive, and click 'Erase'.
- 4
Reinstall macOS
Select 'Reinstall macOS' from the Recovery menu and follow the instructions.
Backup Your Data
Before resetting your Mac, ensure you back up important files using Time Machine or another backup solution.
Enter Recovery Mode
Restart your Mac and hold down Command (⌘) + R immediately upon hearing the startup chime. Release the keys when you see the Apple logo or a spinning globe.
Erase the Hard Drive
In Recovery Mode, select 'Disk Utility', choose your startup disk (usually named 'Macintosh HD'), and click 'Erase'. Choose 'APFS' or 'Mac OS Extended (Journaled)' as the format.
Reinstall macOS
After erasing the disk, exit Disk Utility, select 'Reinstall macOS', and follow the prompts to complete the installation.
Watch out for
- Make sure your Mac is connected to a power source during the reset process to avoid interruptions.
FAQ
Will resetting my Mac delete all my files?
Yes, resetting your Mac will erase all data on the hard drive, so it's crucial to back up your files first.
Can I reset my Mac without an internet connection?
No, reinstalling macOS requires an internet connection to download the operating system.
What if I can't enter Recovery Mode?
If you cannot enter Recovery Mode, try using Internet Recovery by holding Option + Command + R during startup.