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Scenario: I'm prompted for a FileVault Recovery Key, or need to change my password on a Middlebury Mac assigned to me.
Encryption & recovery
About
FileVault encryption protects data on hard drives from prying eyes. Physical access to a computer without encryption enabled may allow access to private and sensitive data, including data protected by statute. Recovery is a state sometimes encountered with computers that are encrypted. Understanding the most common causes and solutions may help you avoid or fix such problems. For more information, see Apple's Protect data on your Mac with FileVault.
Recovery causes
Changes to hardware are the most common reason for a recovery screen to appear, e.g., plugging into or unplugging from a USB drive, docking station, or CD/DVD. Running a laptop battery down while the computer is asleep may also cause the recovery screen—please allow the battery to charge to at least 30%, else you may see repeat recovery screens.
First, make sure your laptop battery has had time to recharge. Then, try disconnecting all cords and devices from the computer (except for power) and see if the issue goes away on its own. If it does not, try the recovery key. Finally, try reconnecting any hardware that was in use when the computer last booted normally.
Recovery keys
A FileVault recovery key is a string of letters and numbers. It may change after being accessed and used. It should NOT be stored with a computer. It is intended for use only in case of emergency.
Middlebury sets up storage for recovery keys on your behalf—you will need Helpdesk staff assistance to retrieve a recovery key for a Mac managed by Middlebury. Please find and supply the Middlebury/MIIS number on the sticker of the computer, then visit our physical walk-in, Zoom, or open a ticket; you will need to bring the computer if coming in person, or be in front of the computer if calling/Zoom.