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.If the installer asks to unlock your disk, enter the password you use to log in to your Mac.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: Hold these keys until your Mac loads the Recovery Assistant.Reinstalling macOS does not remove data from your Mac. If your Mac uses an Intel processor, press the power button once and immediately hold the Command + R keys.Wait for another 10 seconds before proceeding to step #2. Hold down your Mac’s power button for about 10 seconds until it shuts down completely.If you’re using an Intel-based Mac, reset its NVRAM and unpair Bluetooth devices before performing a factory reset. You need to boot into macOS Recovery to factory reset your Mac using Disk Utility. Of course, you can also use the tool to reset Apple Silicon Mac computers running macOS Monterey. Factory Reset Mac Using Disk Utilityĭisk Utility is the best tool to factory reset Intel-based Mac computers running macOS Big Sur or older. Follow the Setup Assistant’s instructions to set up your Mac from scratch. Wait for a few minutes and connect your Mac to the internet (via Wi-Fi or Ethernet) when a “Hello” message appears on the screen. Your Mac will shut down, come back on, and display a progress bar.
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