So I had a win10 PC, updated, running OK with bitlocker deployed. I've been chasing subtle power management bugs, and I decided to update my bios. So I did that, but then bitlocker wanted a ...

On BitLocker-supported editions of Windows 11/10, you can temporarily suspend or pause BitLocker protection for an unlocked drive encrypted using BitLocker.

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

It’s with your laptop’s BIOS. Specifically, in some cases the BIOS software — the software that controls your computer until the operating system loads — doesn’t recognize USB drives ...

Windows 11's default BitLocker encryption is put under additional scrutiny by a hacker who showcases an old bug still being exploitable.

You can suspend BitLocker protection in the OS. If you do that it should let you pull the drive out/put a new drive in without issue. Control Panel - Bitlocker - Suspend.

Click on Suspend protection and select Yes on the prompt window to temporarily suspend or disable the BitLocker encryption on the selected partition to install Windows.