Yet somehow Bitlocker got enabled on Windows 10 boot and shared data partitions. Both encrypted partitions can be accessed without issue from Win 10 (there's not even a password/PIN prompt), but ...

Fix BitLocker error E_FVE_TPM_NOT_DETECTED, The booting system doesn't have or doesn't detect a TPM in Windows 11/10.

To Specify Minimum Length for BitLocker Startup PIN Select the radio button for Enabled , enter a number between 4 to 20 in Minimum characters field for what you want, click OK .

Windows users who have installed a new KB5012170 security update for Secure Boot have encountered various issues, ranging from boots failing with BitLocker Recovery prompts to performance issues.