How to Clean Install macOS

f something doesn't quite work right after you've installed macOS Monterey you can reinstall the operating system so it is a fresh copy. Reinstalling a fresh copy of macOS Monterey will not affect your current settings. Applications and settings will remain the same. Completing this process replaces the core files of macOS Monterey in case something wasn't working right before.

Before you start: Back up your data

It is a good idea to perform one full backup before starting with a clean copy of macOS Monterey. You can also back up files and documents using a cloud-based storage system like Dropbox, OneDrive(opens in new tab), or the easiest: iCloud.

Make sure the computer on which you're installing a fresh copy of macOS Monterey can be connected to the internet, either via Wi-Fi or Ethernet. This step is important. An Internet connection is needed in order to reinstall the macOS operating system.

If you are using a laptop, make sure it is connected to a power source.

How to install a new copy of macOS Monterey in Recovery Mode

Recovery Mode is the special salvation of the Mac that first launched with OS X 10.7 Lion. It creates a temporary boot partition that allows you to access certain things on your computer that you might not be able to if your system froze or crashed. It is the easiest way to install a fresh copy of an operating system like macOS Monterey.

Connect your Mac to the internet via Wi-Fi or Ethernet

Click on the Apple icon in the upper left corner of your screen.

Select Restart from the drop-down menu.