powershell commands for bitlocker to unlock drives
use manage-bde command to check status of D drive.
1. open admin command prompt (run powershell as administrator)
2. Run below command:
manage-bde -status D: [assuming D: is the bitlocked drive]
3. Try this, if it shows volume is locked.
manage-bde -unlock D: -pw
if you have a password then use password to unlock it.
4. If you have recovery password, then try this:
manage-bde -unlock D: -rp xxxxxx-xxxxxx-xxxxxx
where xxxxxx-xxxxxx-xxxxxxx is the 48 digit recovery password.