install new mac os then revert using time machine

#INSTALL NEW MAC OS THEN REVERT USING TIME MACHINE FOR MAC#
#INSTALL NEW MAC OS THEN REVERT USING TIME MACHINE UPGRADE#

Wait till the macOS restoration task is over. From the macOS Utilities window, select “ Restore From Time Machine Backup” option, then click Continue.į) Select your Time Machine backup drive, choose the latest backup, select the destination drive, click Restore, and then click Continue. Wait till the start-up disk erasure is complete.Į) Connect your Time Machine backup drive to the Mac. Select Macintosh HD from the sidebar, then click the Erase tab.ĭ) Select the Format as APFS and Scheme to GUID Partition Map. Release the keys when the Apple logo appears.Ĭ) On the macOS Utilities window, select Disk Utility, then click Continue. Steps to downgrade macOS Big Sur through Time Machine are as follows:Ī) Plug your Mac to its power source to avoid downgrade failure due to unexpected shutdown caused by low battery.ī) Start or restart your Mac, then immediately press and hold Command + R keys. So, back up your important files-which you’ve created or saved in your Mac running on macOS Big Sur-to an external drive or iCloud. Warning: Downgrading your macOS results in data loss. If you’ve backed up your Mac by using Time Machine prior upgrading to macOS Big Sur, you can use the backup drive to restore the earlier version of macOS. Downgrade to Earlier macOS Version Using Time Machine

The good thing is you can easily do so by following the methods presented hereunder. The above issues or others might bother you to the extent that you wish to revert to the older macOS version that was already present on your Mac.

Mac is running abysmally slow and freezes quite often.

#INSTALL NEW MAC OS THEN REVERT USING TIME MACHINE UPGRADE#

Few applications are not working after the macOS upgrade.The battery is draining quickly after macOS Big Sur upgrade.But some of you are facing issues, such as the following: The new operating system is liked by many. In November 2020, Apple released macOS Big Sur 11.

#INSTALL NEW MAC OS THEN REVERT USING TIME MACHINE FOR MAC#

Finally, restart your computer, and your Mac will be restored.Every year Apple releases a new operating system for Mac that provides a new interface, better user experience, and tons of productivity features. Continue through the prompts, selecting the backup version and save location.Ĥ. Then, when you see the MacOS utilities window, select 'Restore from Time Machine backup.'ģ. Immediately after turning your Mac on, press and hold Command and 'R' to restart your computer from MacOS Recovery.Ģ. If, for some reason, your computer doesn't start in either the Finder or setup assistant, you'll have to restore both your MacOS and your files. Check the box to the right of the folder you'd like to transfer, such as your Applications and other files, then click 'Continue.'ĭepending on the amount of information that you choose to restore, it may take several hours for you to complete this process and get your Mac up and running again.

You may also have to choose between several different backup versions, which are organized by date and time to help you choose the most recent version if that's what you want.ĥ.

If your backup disk is encrypted, you may also have to input your password.

Select your Time Machine backup and click 'Continue.' Within the Migration Assistant, select the option to restore 'from a Mac, Time Machine backup, or startup disk' when it asks how you want to transfer your information.Ĥ.

Open the Migration Assistant in your Finder's Utilities folder.ģ.

Install new mac os then revert using time machine