Desculpe não percebi que estava formatado!Voce tem a senha da criptografia?Se sim;Coloque o Hd em outro pc,rode o GetDataBack se ele recuperar mesmo que parcialmente algum dado salve-os em outro HD,instale o Windows na mesma versão e partição que estava copie os dados salvos do HD e abra o bitlocker com a senha,se der erro (se não achar nada) tente os cmds.
Change to %WINDIR%\System32
Enter cscript manage-bde.wsf
Parameter List:
-status Provides information about BitLocker-capable volumes.
-on Encrypts the volume and turns BitLocker protection on.
-off Decrypts the volume and turns BitLocker protection off.
-pause Pauses encryption or decryption.
-resume Resumes encryption or decryption.
-lock Prevents access to BitLocker-encrypted data.
-unlock Allows access to BitLocker-encrypted data.
-autounlock Manages automatic unlocking of data volumes.
-protectors Manages protection methods for the encryption key.
-tpm Configures the computer's Trusted Platform Module (TPM).
-ForceRecovery or -fr
Forces a BitLocker-protected OS to recover on restarts.
-ComputerName or -cn
Runs on another computer. Examples: "ComputerX", "127.0.0.1"
-? or /? Displays brief help. Example: "-ParameterSet -?"
-Help or -h Displays complete help. Example: "-ParameterSet -h"
Exemplos:
manage-bde -status
manage-bde -on C: -RecoveryPassword -RecoveryKey F:\
manage-bde -unlock E: -RecoveryKey F:\84E151C1...7A62067A512.bek
Link da Fonte:
http://blogs.technet.com/b/steriley/archive/2006/11/25/bitlocker-command-line.aspx