It sounds like you’re referencing a message on Windows.
The full prompt typically says: This appears when Windows needs the 48-digit recovery key to unlock an encrypted drive — usually because of a hardware change, BIOS update, TPM issue, or forgotten password/PIN.
Windows Bitlocker Drive Encryption Recovery Key Entry Apr 2026
It sounds like you’re referencing a message on Windows.
The full prompt typically says: This appears when Windows needs the 48-digit recovery key to unlock an encrypted drive — usually because of a hardware change, BIOS update, TPM issue, or forgotten password/PIN. windows bitlocker drive encryption recovery key entry