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#Mac os x version 10.6 8 clean how to#
#Mac os x version 10.6 8 clean update#
#Mac os x version 10.6 8 clean mac#

Select your Startup Disk and click Erase.When the macOS Utilities screen appears, select Disk Utility.On the next screen, select Options to launch Recovery mode. On Apple silicon Macs (M1 and M2 models), keep holding the Power button on startup till you see the message Loading Startup Options. For Intel Macs, you can do this by holding Cmd + R on startup.

#Mac os x version 10.6 8 clean mac#

Shut down the Mac you want to downgrade and plug in the newly created external drive.

#Mac os x version 10.6 8 clean how to#

Use the Installerįinally, here’s how to install an older version of macOS using the installer you just created:

This will create an installer (named Untitled), which you can use as a bootable disk to install macOS. Sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled The next time you upgrade, you might want to make a backup of the previous version’s installer, just in case.įor this process, you’ll need a 16GB or larger USB flash drive or external hard drive. Moving forward, it’s worth remembering that older macOS versions are now harder to download. This is helpful for users trying to downgrade from macOS Monterey to macOS Big Sur or older on Apple silicon Macs (M1 and M2 models), as the default Recovery mode only installs the latest version of macOS. Once you have the specific macOS installer downloaded on your Mac, you can use it to create a bootable disk, from which you can reinstall an older version of macOS.

#Mac os x version 10.6 8 clean update#

The installer will download through the Software Update section of the System Preferences and should be available in your Applications folder after. This is no longer possible with the updated Mac App Store however, you can still download older macOS versions through Apple’s Support website. Downgrade Using an Older macOS Installerīefore the release of macOS Mojave, it was possible to download older versions of macOS directly through the App Store.

Follow the prompts to complete the reinstallation, then restore your files from the backup you created.ģ.

You’ll be able to see which version of macOS was used to create that backup.

On the following screen, select the backup you want to restore from.

In this case, that’s the backup drive you plugged in earlier.

On the next screen, click Continue again.

When the macOS Utilities screen appears, select Restore From Time Machine Backup and click Continue.

On Apple silicon Macs (M1 and M2 models), keep holding the Power button on startup until you see the Loading Startup Options message. Hold Cmd + R to enter macOS Recovery on an Intel Mac.

Plug your Time Machine disk into your Mac and power it down or restart it.

To downgrade using a prior Time Machine backup, follow these simple instructions: This, of course, assumes that you created the backup on an older version of macOS. Using a Time Machine backup is another simple way to install an older version of macOS.

Once the installation is complete, restore your files from the backup you created.

Walk through the onscreen instructions to complete the rest of the installation process.

Follow the prompts and choose your startup disk.

Once the macOS Utilities screen loads, choose Reinstall macOS (or Reinstall OS X) and click Continue.

You’ll notice startup takes longer than normal as macOS Recovery loads.

Power on your computer and immediately hold Shift + Option + Cmd + R.

Make sure you’ve fully backed up your Mac first because the following procedure will erase your startup disk: If your computer is quite old, this will instead download the oldest version that’s still available. The process is similar to reinstalling macOS but will instead download the version of macOS that your computer originally shipped with. You’ll need to use the Time Machine or bootable disk method for those Macs. This method only works on Intel-based Macs and can’t be used on Apple silicon Macs like the M2 MacBook Air.