![]() ![]() 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 setup assistant without completing setup, then click Shut Down. 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.In the Recovery app window, select Reinstall for your macOS release, click Continue, then. If the installer asks to unlock your disk, enter the password that you use to log in to your Mac. Choose Apple menu > Shut Down, press and hold the power button until Loading startup options appears, select Options, click Continue, then follow.Click Continue, then follow the onscreen instructions.Reinstalling macOS doesn't remove your personal data. I hope you found it useful and I’d like to thank you for reading.When you see a window with the option to reinstall macOS, your Mac has started up from Recovery. This was a tutorial on making a bootable macOS Big Sur installation media. It will also come in handy as a recovery media if your Mac software misbehaves in future. This approach helps save bandwidth if you have more than one devices while also letting you erase all data and perform a clean install. ![]() The same bootable media you just made can be used to install macOS Big Sur on all your (compatible) Macs. After you are done with onboarding, you will see the desktop and are all set to start using macOS Big Sur. Phillips Level 9 76,072 points One can do this via Internet Recovery ( not suggested ) OR and Better is download the Full Big Sur on a compatible computer and stop there. Once finished, you should see the macOS setup screen. The macOS installation process will start and your Mac will reboot a few times. Choose ‘Install macOS’ this time and click continue. Using an old screen grab hereĪfter the process finishes, close Disk Utility and you will return to the recovery screen. ![]() Select the volume where macOS is currently installed on your Mac. Note that this is the user on your current macOS setup.Ĭlick Disk Utility and continue. you to perform SMB file transfers via the Internet for security purposes). Choose your administrator account and enter password. By default the file does not exist on a fresh install of OS X/macOS. Now you will see the macOS Recovery screen which will ask you to select a user account which you know the password of. Select Install macOS Big Sur and click continue. When it’s booting up (right after the chime sound), press and hold Option key until you see a screen with an option to select the startup disk. It’s time to start the installation process. Step 4: Installing macOS Big Sur from Bootable Media After it’s finished, you will notice that the name of your USB stick/SD card has been changed to Install macOS Big Sur. sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia -volume /Volumes/ BigSurĮnter your password, type Y and press enter again. Hence, before anything, we will tell you how to download macOS offline installer directly from Apple to your Mac using a GitHub script. And you need to download a full-size macOS installer for making this disk. Replace BigSur with whatever name you chose in Step 2. Installing macOS without internet requires a bootable USB disk. Now open Terminal and type the following command. ![]()
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