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Downgrade mac os time machine install#
Downgrade mac os time machine mac#

After a little digging, we found that macOS will revert to the latest beta until and unless you opt-out of the beta channel.

Downgrade mac os time machine mac#

Many users complain that their Mac automatically installs the latest macOS beta instead of downgrading to Big Sur or other stable versions.

Under “Allowed Boot Media,” Select “ Allow booting from external or removable media.”įor the sake of security, revert to “ Disallow booting from external or removable media” once you are done with the downgrading process.

Authenticate using macOS admin account and password.

Select Utilities → Startup Security Utility from the menu.

Now you will be able to see the macOS utilities window.

Select the admin user account on your Mac and enter the password.

Your Mac will now startup in macOS Recovery mode.

Press and hold the Command-R key when turning on your Mac.

Follow the steps below to disable booting from external boot media. You can do so by Opening Security Utility and choosing the appropriate setting. It is important to disable external boot media protection while downgrading from macOS Monterey. If you try to boot from external media, you will get a warning. It lets you disallow Mac from starting up from external or removable media. Disable external boot media protection on Mac with the T2 security chipĪpple introduced a new security feature on Mac with T2 security chips. You can either upload them to cloud services like iCloud or move them to an external drive for safekeeping.Īlso, if you did not make a Time Machine backup before installing macOS Monterey, it is wiser to make a copy of old & new files.

Disable external boot media protection on Mac with the T2 security chipĪ fundamental and essential step is to ensure the files, documents, photos, or folders created while using the beta aren’t lost.

Downgrade mac os time machine install#

If you plan to install macOS Big Sur via a USB drive, create a bootable macOS drive before moving on. Note: Open this article on a mobile device or take a printout so that you can refer to it during the downgrading process. Loved the new features offered in macOS Monterey and hastily jumped on to its beta? And now, you are missing a stable macOS, or an important third-party app is acting up, or some bug is hindering your workflow? Don’t worry! Here’s how you can downgrade macOS Monterey beta to macOS Big Sur safely. Keep your Mac plugged in as it’s a lengthy and energy-consuming process.You can reinstall macOS Big Sur through the internet or a bootable USB drive.

Downgrading involves backup (optional but recommended) → Erase macOS Monterey → reinstall macOS Big Sur → restore Time Machine backup.What to know before downgrading from macOS Monterey Beta