Start mac time machine backup

Time Machine: What It Is, How It Works, How to Use It with Your Mac | Other World Computing Blog

This erases all information on the backup disk. After you select a backup disk, Time Machine immediately begins making periodic backups—automatically and without further action by you. Time Machine backs up only the files that changed since the previous backup, so future backups will be faster. Use the same menu to check the status of a backup or skip a backup in progress. Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement.

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Other company and product names may be trademarks of their respective owners. Create a Time Machine backup To create backups with Time Machine, all you need is an external storage device. Connect an external storage device Connect one of the following external storage devices, sold separately. Select your storage device as the backup disk When you connect an external drive directly to your Mac, you might be asked if you want to use the drive to back up with Time Machine.

If Time Machine doesn't ask to use your drive, follow these steps to add it manually: Open Time Machine preferences from the Time Machine menu in the menu bar. Select your external drive from the list of available disks. Enjoy the convenience of automatic backups After you select a backup disk, Time Machine immediately begins making periodic backups—automatically and without further action by you. Learn more Restore your Mac from a backup Other ways to back up and restore files If you back up to multiple disks, you can switch disks before entering Time Machine.

But maybe the disk encryption is what prevents the external TM drive from being recognized as a startup option? The installer USB drive was to make your life easier. I have one for each major OS release just in case! I guess I didn't quite make it clear.


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Apple has altered things enough from the first generation of the recovery firmware within your Mac EFI as well as the OS you are likely encountering incorrect information from the guide. If you have the latest then the answer is true!

You would be able to boot up under the TimeMachine backup but it would need to be unencrypted! Apple does not offer any means presently to encrypt a TimeMachine backup drive wise.

How to Restore Your Mac With Time Machine

I guess the easies way to think this through is the order of access. Just like how you put your sox on before you put your shoes on the encryption of the drive needs to be after the drive is accessible.

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So here you would need to have first installed a full and proper OS on the drive then sure around and use the drive as your TimeMachine backup as the OS is not encrypted here the drive would boot and then when you got to the TimeMachine backup using a third party app you would have access to it. The other way which is convoluted would to have two partitions on this drive the first one not encrypted with your OS installed and then the second larger one for your encrypted partition with the TimMachine backup.

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How to boot from an external drive that contains time machine backup?

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Most Helpful Newest Oldest. Chosen Solution. Dan danj Rep: About macOS Recovery Now you added a wrinkle here by encrypting your drive via Disk Utility you run the risk of not being able to regain access. OK, now what?? Was this answer helpful?