How to format and reset Mac OS

If you are planning to upgrade or sell your Mac comouter, you need to remove all data and files. First thing you should do is backup to an external drive with important data.

Once back up is finished, Sign out of all accounts.

• iCloud
• iMessage
• iTunes

After this restart your mac and press and hold command + R key untill Apple logo appears.

You will see these options

If you want to clean your disk and wipe up all data. select last option. Otherwise click on Reinstall MacOS.

You Mac computer may restart several times during this process and you may be asked to enter password to install OS on disk. It is recommend to clean your disk if you are planing to sell your Mac computer.

Tags: mac, reset

Category: General