When you're ready to reinstall macOS, choose Reinstall macOS from the Utilities window. Then click Continue and follow the onscreen instructions. You will be asked to choose a disk on which to install. If the installer asks to unlock your disk, enter the password you use to log in to your Mac. 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 first. If the installer is for a different version of macOS than you expected,.Please allow installation to complete without putting your Mac to sleep or closing its lid.
During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.If your Mac restarts to a setup assistant, but you're selling it, trading it in, or giving it away, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup. The version of macOS offered by macOS Recovery might differ in certain circumstances:. If has never been installed on this Mac, Option-Command-R installs the macOS that came with your Mac, or the closest version still available. And Shift-Option-Command-R isn't available.
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If you instead of just the startup volume on that disk, macOS Recovery might offer only the macOS that came with your Mac, or the closest version still available. You can upgrade to a later version afterward. If your Mac has the and you never, Option-Command-R installs the latest macOS that was installed on your Mac. If you just had your Mac logic board replaced during a repair, macOS Recovery might offer only the latest macOS that is compatible with your Mac.If you can't get macOS Recovery to offer the installer you want, you might be able to use one of the.