FileVault Decryption Finished: Unable to Turn on Time Machine Backup
If you've recently turned off FileVault encryption on your Mac and are now unable to turn on Time Machine backups, you're not alone. This is a common issue that many Mac users face. In this article, we'll explore the reasons why this happens and what you can do to resolve the issue.
Understanding FileVault Encryption
FileVault is a full disk encryption feature included with macOS. It encrypts the data on your startup disk to prevent unauthorized access. When you turn off FileVault encryption, it can take some time for the decryption process to complete. During this time, it's not recommended to restart your Mac or perform any other disk-intensive tasks.
Why Can't I Turn on Time Machine Backups?
Once the decryption process is complete, you may find that you're unable to turn on Time Machine backups. This is because FileVault encryption and Time Machine backups are closely related. Time Machine backups are encrypted by default when you're using FileVault encryption. When you turn off FileVault encryption, Time Machine backups are disabled as well.
To turn on Time Machine backups again, you'll need to create a new, unencrypted backup. This can be done by erasing your existing backup disk and setting up a new one. However, before you do this, it's important to ensure that your data is backed up elsewhere. This is because erasing your backup disk will delete all of your existing backups.
Creating a New Backup
To create a new, unencrypted backup, follow these steps:
- Connect your backup disk to your Mac.
- Open Time Machine preferences and click on 'Select Disk'.
- Select your backup disk and click on 'Erase'. This will erase all existing backups on the disk.
- Once the disk has been erased, click on 'Use Disk' to start using it as a backup disk.
- Time Machine will now start creating a new, unencrypted backup.
If you've turned off FileVault encryption and are unable to turn on Time Machine backups, it's because the decryption process disables Time Machine backups. To turn on Time Machine backups again, you'll need to create a new, unencrypted backup. This can be done by erasing your existing backup disk and setting up a new one. However, before you do this, it's important to ensure that your data is backed up elsewhere.