4/15/2023 0 Comments Superduper big sur![]() ![]() Restore settings and data from Time Machine Choose the disk with the installer on it from the startup disk options.Restart your Mac while holding down the Option key.Plug in the disk with the Big Sur installer.Reinstall Big Sur from the installer you created Give the volume a name and choose APFS or Mac OS Extended (Journaled) for the format.Ĥ.Select your startup disk and press Erase.Choose Disk Utility and press Continue.Restart your Mac and hold down Command-R when you see the Apple logo.Sudo /Applications/Install\ macOS\ Big Sur.app/Contents/Resources/createinstallmedia -volume /Volumes/BigSurInstaller Go to Applications > Utilities and launch Terminal.Call the newly formatted disk ‘BigSurInstaller’ (no spaces). ![]() Use Disk Utility to format an external hard drive or USB stick (minimum 16GB) as Mac OS Extended (Journaled).When the installer starts to run after the download, click on the Apple menu and choose Quit.Use this link to find the link to Big Sur on the App Store.Creating a bootable installer via Terminal Once you’ve erased your hard drive, you can restart your Mac using Command-Shift-Option-R to enter Internet Recovery and choose the option to reinstall the version of macOS that came with your Mac. Note: If your Mac shipped with Big Sur, you can skip this step. We’re going to completely erase your startup disk in order to downgrade from Monterey to Big Sur, so we first need to create a bootable installer of Big Sur. Create a bootable installer of macOS Big Sur ![]()
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