
The macOS Utilities screen will show a series of options.Įrasing the drive can take a few minutes, but once it’s done head back to the macOS Utilities menu and select Reinstall macOS.Turn it on again while holding the Command and R keys simultaneously until you see the Apple logo or hear a chime.Eventually you will be able to select Options > Continue and this will open up Recovery, as per the image below (please excuse the quality when it’s not possible to screenshot!).Eventually the Apple logo will appear with text below it informing that if you continue holding the power button you will be able to access startup options.Press the on button and keep it pressed.The method depends on whether you have an Intel powered Mac, or one with an Apple M-series chip. We run through how to use Mac Recovery Mode in a separate article, but we will run through the process quickly here: Updated December 2019: Everything is up to date through macOS Catalina.Whether you need to wipe your Mac to pass it on to a new user, or because you have forgotten the password, you need to boot into Recovery mode. If you have any more questions about reinstalling macOS on your Mac, let us know in the comments. How to set up and customize your Mac from scratch Questions? If you're starting from scratch, you'll need to set up your Mac from scratch.

Your Mac will now go through the normal macOS installation process, eventually restarting.

If you're running macOS High Sierra or later on a Mac with an SSD, your choices will be some form of APFS. Click on the format you want to use for your drive.Click on your startup disk in the Disk Utility sidebar.
