Install new mac os then revert using time machine install#

So here is my question: If I back up everything via Time Machine then go through the process of the clean install and update, is it possible to use Time Machine to automatically restore the files while preserving the update? This would be far simpler and help make sure I don't forget anything. While I can do that, it's a bit tedious to manually copy everything back, and there might be important things in the system folder related to application settings that are harder to copy over.

Install new mac os then revert using time machine update#

Looking it up online, it seems the way to solve this is to back up the files on your computer, perform a clean install to erase the hard disk to remove whatever problem is preventing the update, update the system, then bring back the files. However, at the end of the (lengthy) download/install process, I always get an error message saying there was a '-69716' error. Looking at the hardware requirements, my 13 inch 2017 MacBook Pro should qualify. If you want to do that, and I strongly suggest you do, please write back for instructions.So after putting off updating Mac OS far longer than I should have, I wanted to finally get the newest update onto my MacBook Pro. Lastly, you would be far better off fixing what's wrong with your Mac than to downgrade to an earlier operating system. Beware that if any of them have been updated to work with Sierra, they may no longer work with El Capitan or earlier OS X versions. Then, restore your files from the backup.

If that is El Capitan, you can use this link: Get El Capitan from the App Store.

Finally, download and install the operating system you wish to install from the Mac App Store's Purchased page.

That is where you will be prompted for an Apple ID (although you can skip that step if you choose).

Install that version of OS X, following its instructions.

If you are prompted for an Apple ID before it even begins to install, return to Step 1.

It will not require an Apple ID to install.

That reinstalls the operating system installed on your Mac when it was new.

Then, select Disk Utility to completely erase your startup volume.Д¬hoose one of the Mac OS Extended (Journaled) formats.

If you do not boot Internet Recovery, you will boot into the existing Recovery Partition, which will only allow you to reinstall your existing operating system.

You will need a viable Internet connection, preferably a fast one, and one that does not require a 'login screen' for you to connect to the Internet.

Install new mac os then revert using time machine how to#

Read the * note to determine how to force Internet Recovery.

Shut down your Mac, and restart it using macOS Internet Recovery.

To learn how to use Time Machine read Use Time Machine to back up or restore your Mac.ДЄfter you have that backup and are satisfied with your ability to recover its files - or you decide that you do not need or want any of the information on that Mac, and understand that it will be irretrievably and forever lost, continue with the steps below. Please refer to macOS Sierra: Revert to a previous macOS version.ДЄssuming you have no Time Machine or equivalent backup of your essential files and other documents, create one now because you will need to completely erase that Mac in order to downgrade its operating system from Sierra to any earlier version.