Here’s how to factory reset your MacBook Air (or iMac) and restore it to like new conedition. Is there a problem that no matter how hard you try, you can’t solve? Or do you want to sell your MacBook without leaving any traces of personal data? Here’s our guide on how to reset a MacBook or other Mac computer to fix any of these issues.
The following instructions (with some minor changes here and there) work for macOS Catalina and most older versions of the operating system.
Before doing this, make sure to back up your data. If you sell your MacBook, you will also need to sign out of iMessage, iCloud, and other accounts before restarting. Are you afraid of losing your data? Scroll to the bottom of this article to see the steps you need to take before you do a factory reset on your MacBook.
How to Factory Reset Macbook Air
1. Hold down the Command and R keys on the keyboard and turn on the Mac. Release when you see the Apple logo.
2. Choose your language and continue.
3. Select Disk Utility and click continue.
4. Choose your startup disk (named Macintosh HD by default) from the sidebar as shown below and click the Erase button.
5. If you chose a name for the disc after erasing it, select Mac OS Extended (Journaled) from the drop-down menu and click Erase. (If you want to encrypt your drive for extra security, select the Saved, Encrypted option. You will be prompted to create a password.) Select the GUID partition mapping.
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6. Click Erase then click Done and exit the window.
7. If you haven’t already, connect to Wi-Fi in the upper right corner as you normally would on your Mac.
8. Select Reinstall macOS from the main menu and click Next.
9. Tap Next and ai pop-up window will appear. Select Next here too.
10. Read the software license agreement and click Agree as shown below.
11. Select your boot disk and select “Install.”
12. Wait for the first step of the installation to complete.
13. The computer will restart and continue installing. Wait while the computer restart.