Whether it's to fix problems with your Mac, or get it ready to sell on to someone else, macOS Recovery, also known as Mac Recovery Mode, is a powerful tool to help you.

Related: How to do a full wipe on your Mac QUICK ANSWER To reinstall macOS, first boot into macOS Recovery. From there, select the Settings option, enter your password, and select Reinstall macOS.

With your computer still in macOS Recovery, select Reinstall macOS and follow the instructions on your screen to reinstall macOS Catalina.

Most people don’t use the Recovery Tool to wipe and reinstall macOS on a brand-new system. But if you do, make sure you first update to macOS Big Sur to ensure the Mac Recovery tool will work ...

If you don’t have a Recovery partition or you can’t restart as above, proceed to reinstall, revive, or restore. Reinstall, revive, or restore The easiest next step is to reinstall macOS.

When a macOS upgrade appears to go well but wonu2019t maintain startup items and other changes, try migration or even reinstalling.

With macOS Recovery, you can perform several troubleshooting related actions on your Mac if it isn't functioning as it should, but booting into Recovery mode may prevent you from automatically ...