Once you see the macOS Utilities screen choose the Reinstall macOS option.

Start up your Mac pressing Shift-Option/Alt-Command-R.

Wait for the MacOS Utilities screen to appear.

The message will be replaced with a progress bar.

Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.Hold down Command-Option/Alt-R and press the Power button.How to use Internet Recovery to reinstall macOS Reinstall your current version of macOS: Command-R.Reinstall your computer’s original version of macOS (including available updates): Option-Shift-Command-R.Install the latest version of macOS compatible with your computer: Option-Command-R.Step 3: Erase and Reformat the Mac’s Boot Drive.Step 2: Create a Bootable macOS High Sierra Installer.As noted, we’re going to completely erase everything on the Mac. How to Perform a Clean Install of macOS High Sierra How do I do a clean install of Mac OS X Sierra? In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions. How do I factory reset my Mac OS X Sierra?Ĭhoose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. 19 How do I install Sierra on an old Mac?.16 What is the Command and R keys on a Mac?.

15 How do I install a new Mac operating system?.13 How do I reinstall OSX without Apple ID?.

10 Does reinstalling Mac delete everything?.9 How do I reinstall macOS High Sierra without losing data?.8 Can I delete install macOS Sierra from applications?.7 How do I install macOS Sierra after download?.6 How do I restore my Mac to factory settings without recovery mode?.3 How do I manually reinstall Mac OS X?.2 How do I do a clean install of Mac OS X Sierra?.1 How do I factory reset my Mac OS X Sierra?.

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