Warning : Files you created after the upgrade point will not be restored. #HOW TO DOWNGRADE MAC OS SIERRA TO EL CAPITAN TIME MACHINE UPGRADE# You may want to make copies of any important files you may need on an external device, such as a flash drive or an external drive.Īfter your Mac’s display goes blank, hold down the command + R keys. Continue to hold the two keys down until you see the Apple logo appear. Select Restore From Time Machine Backup, and then click the Continue button. The Restore From Time Machine window will display a few tidbits about what is about to occur. Click the Continue button.Ī list of drives containing Time Machine backups will be displayed. Select your Time Machine backup drive from the list, and then click Continue.Ī list of backups will be displayed, organized by date and the version of the Mac OS contained within the backup. Select the last backup for the version of the macOS you wish to downgrade to, and then click Continue. The Restore From Time Machine Backup will begin. (You can use Time Machine to downgrade to any Mac OS version that is included in your backups.) This process can take some time once it’s completed, your Mac will restart. This second method of downgrading is used when you need to erase your Mac’s startup drive. This will likely be required if you’re moving from a Mac OS that uses the APFS file system to an earlier version of the OS that doesn’t support APFS. You may also wish to use this method just because you want to start off with a clean slate. Either way, you’re going to also need a bootable copy of the Mac OS installer for the version you wish to downgrade to.
HOW TO DOWNGRADE MAC OS TO EL CAPITAN INSTALL
If you don’t have a bootable installer for the OS version you wish to install, you can create one using the instructions in the Rocket Yard guide: Create a Bootable macOS High Sierra Install Drive with DiskMaker X 7. #HOW TO DOWNGRADE MAC OS SIERRA TO EL CAPITAN TIME MACHINE INSTALL# (DiskMaker X 7 is a handy donationware utility for creating Mac OS bootable installers.)Īlthough the instructions are geared toward macOS High Sierra, the DiskMaker X app can create bootable installers for most versions of the Mac OS. To make use of DiskMaker, you’ll need a USB flash drive and a copy of the Mac installer. You can usually find the Mac OS installer in the Purchased tab of the Mac App Store.
#HOW TO DOWNGRADE MAC OS SIERRA TO EL CAPITAN TIME MACHINE MAC OS# The exception at the moment is macOS Sierra, which for some reason, Apple has removed from the Purchased list. #HOW TO DOWNGRADE MAC OS SIERRA TO EL CAPITAN TIME MACHINE UPGRADE#.#HOW TO DOWNGRADE MAC OS SIERRA TO EL CAPITAN TIME MACHINE DRIVER#.#HOW TO DOWNGRADE MAC OS SIERRA TO EL CAPITAN TIME MACHINE INSTALL#.#HOW TO DOWNGRADE MAC OS SIERRA TO EL CAPITAN TIME MACHINE MAC OS#.#HOW TO DOWNGRADE MAC OS SIERRA TO EL CAPITAN TIME MACHINE HOW TO#.
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