Use the App Store to download and install the latest macOS or an earlier macOS.You can also use these methods to install macOS, if the macOS is compatible with your Mac: If you just erased your entire startup disk, you might be offered only the macOS that came with your Mac, or the closest version still available.If the Mac logic board was just replaced, you might be offered only the latest macOS that is compatible with your Mac.Or you can use Option-Command-R during startup to be offered either the latest macOS that is compatible with your Mac, or in some cases the macOS that came with your Mac or the closest version still available. On an Intel-based Mac, you can use Shift-Option-Command-R during startup to be offered the macOS that came with your Mac, or the closest version still available.When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions: When the new owner starts up the Mac, they can use their own information to complete setup. If you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.Īfter installation is complete, your Mac might restart to a setup assistant. Allow installation to complete without putting your Mac to sleep or closing its lid.If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.To reinstall the macOS, choose Reinstall macOS and click ontinue.
Once you have successfully opened up the internet recovery screen, you have several options, including restore from the Time Machine, reinstall macOS, Safari and Disk Utility.
#OSX DISK RECOVERY HOW TO#
If you are using Windows OS - a separate Disk Drill data recovery for Windows is available. How to reinstall macOS from the internet.
#OSX DISK RECOVERY MAC OS X#
If the installer asks to unlock your disk, enter the password you use to log in to your Mac. The main purpose of Disk Drill is data recovery on Mac OS X (it can be a MacBook, Mac Pro, iMac or Mac Mini).To begin installation, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.įollow these guidelines during installation: Reinstalling macOS does not remove data from your Mac.
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