To reinstall a fresh copy of macOS, boot into Recovery Mode using the ‘Command+R’ shortcut, and then select ‘Reinstall macOS.’ The installation process can take a while, but eventually your Mac will restart and you’ll be guided through the standard setup procedure, including creating a new user account and admin password.ĭuring the setup process, you’ll be asked whether you want to use the Migration Assistant. If you cannot restore any of your backups, then one workaround is to install a fresh copy of macOS, and then use the Migration Assistant to transfer the files and data from your most recent Time Machine backup. It’s possible for Time Machine backups to become corrupt, or encounter other errors. Has your Time Machine backup failed? Try the Migration Assistant! This may take a while, depending on factors such as the size of your backup, your Mac’s specifications, and the speed of your Internet connection, if you’re restoring from a network drive. Click ‘Continue’ to begin the restoration process.

Select the backup that you want to restore, which will typically be your most recent backup.If your Time Machine backup is stored on a network drive, then make sure you’re connected to the network before proceeding. If the backup is stored on an external disk, then you’ll need to attach the disk to your Mac, if you haven’t already. Select the drive containing the Time Machine backup that you want to restore.Read the warning, and if you’re happy to proceed then click ‘Continue.’.Select ‘Restore From Time Machine Backup.’.Once you’re in Recovery or Internet Recovery, you’re ready to restore your Time Machine backup: From here, you’ll have access to all the usual Recovery Mode options, including restoring a Time Machine backup. Once your Mac boots, you should see a spinning globe, followed by the standard macOS Utilities window. To boot into Internet Recovery, shut down your Mac, and restart it while holding down the ‘Option+Command+R’ keyboard shortcut.

Mac os restore from backup