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If you want to start up again from the disk you erased, select Reinstall macOS in the utilities window, then click Continue and follow the onscreen instructions to reinstall m acOS. Quit Disk Utility to return to the utilities window. After the erase is done, select any other internal volumes in the sidebar, then click the delete volume (–) button in the toolbar to delete that volume.ĭuring this step, disregard any internal volume named Macintosh HD or Macintosh HD - Data, as well as any volumes in the External and Disk Images sections of the sidebar.
Click Erase. However, if you see an Erase Volume Group button, click that button instead.Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility How do I wipe a hard drive without removing operating system Click Windows menu and go to Settings > Update & Security > Reset this PC > Get started > Remove everything > Remove files and clean the drive, and then follow the wizard to finish the process.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.