- #How to downgrade mac os how to#
- #How to downgrade mac os mac os#
- #How to downgrade mac os install#
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).
#How to downgrade mac os mac os#
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 
Under External boot, select Allow booting from external media.Ģ. Choose Enter macOS Password, then type in an admin name and password. When It starts up, click on Utilities in the menu bar and choose Startup Security Utility. Restart your Mac and hold down Command when you see the Apple logo. All these Macs require that you change the security settings to allow you to boot from an external disk or USB stick. Macs using Apple silicon don’t have the T2 but do have the same security features in the M1 chip. Most Intel Macs shipped from 2018 include Apple’s T2 security chip. If you don’t currently back up regularly, make a clone of your start-up disk using a tool like Carbon Copy Cloner or SuperDuper.īy the way, if you used Time Machine to back up your Mac before you upgraded to Monterey, it will save time later on in the process because you will be able to restore your Mac from that backup instead of reinstalling Big Sur from scratch. If you use another backup application, run a backup in that. If you use Time Machine to back up regularly, you can just click Time Machine in the menu bar and choose Backup Now. 
So the very first thing you should do when you decide to downgrade is back up your Mac. That’s the process we’ll be taking you through in this article.
#How to downgrade mac os install#
To downgrade from Monterey, you need to wipe everything on your startup disk and perform a clean install of Big Sur. It’s important that your Mac is connected to the internet at all times during this process.
#How to downgrade mac os how to#
In this article, we’ll show you how to do that. If you’ve installed macOS Monterey on your Mac and have decided that you don’t like it or your Mac has difficulty running it, the good news is that you can downgrade to Big Sur. It runs maintenance scripts, optimizes your storage, and speeds up your Mac.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So, here’s a tip: Download a free version of CleanMyMac X - it’s notarized by Apple on macOS Monterey.
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