


If you want your Mac to start up again from the volume you just you erased, select Reinstall macOS in the utilities window, then click Continue and follow the onscreen instructions.This is a great thing to do when you first purchas. When done, quit Disk Utility to return to the utilities window. In this video we look at the process of formatting a hard drive, flash drive, or SSD on an Apple computer.Optional: If you previously used Disk Utility to add internal volumes other than Macintosh HD, you can erase them individually using the same process.

If this button isn't shown, click Erase instead. When you need help, Sweetwater has the answers Our knowledge base contains over 28,000 expertly written tech articles that will give you answers and help you get the most out of your gear. Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility.Click the Erase button in the toolbar, then enter the requested details:.Select Macintosh HD in the sidebar of Disk Utility.From the utilities window, select Disk Utility and click Continue.If asked, select a user you know the password for, then enter their administrator password.Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R.
