If your hard drive is in the process of being encrypted, the FileVault screen displays the encryption status.If your had drive is not encrypted, the FileVault screen displays a message saying that FileVault is turned off.If your hard drive is encrypted, the FileVault displays a message saying that FileVault is turned on.To confirm the encryption status of your Mac, navigate to System Preferences > Security & Privacy > FileVault.
How to determine if your Mac is encrypted: hard drives with one partition/volume Also, encryption of APFS-formatted SSD drives takes longer than encryption on HFS+-formatted SSD drives. On large traditional hard drives the time to complete encryption can run many hours, increasing with the size of the drive. If you suspect this may be the case, reboot before proceeding. There are three likely reasons that an encrypted Mac would indicate that it is unencrypted in My Devices:
