The key you are looking for is a string of 48 numbers. Type your Bitlocker drive encrypted password, and then press Enter. If you have installed a TPM or UEFI update and your device cannot start, even if you enter the correct BitLocker recovery password, you can restore the ability to start by using the BitLocker recovery password and a Surface recovery image to remove the TPM protectors from the boot drive. I didn't see the key you posted before it was removed, but whatever it was, if it had letters in it, it was not a BitLocker Recovery Key. The BIOS Boot Sequence probably has Windows Boot Manager/IPV4/IPV6. If the password is not correct, repeat the above steps to try next password. I went to local group, computer configuration, administration template, windows component, operating system drive and enable required additional authenticate at startup I use windows 7 and I formatted the windows yesterday and reinstalld it I don't know if is because of that! BitCracker is the first open source password cracking tool for memory units encrypted with BitLocker. When the key is entered (even when registered in Active Directory), BitLocker reports the key was accepted and the unlock was successful, but then prompts you to re-enter the key again. A domain administrator can recover the password from Active Directory Domain Services if that is where the password was stored. Now it is asking for recovery key. In the event that you cannot access a BitLocker protected drive, you may be called upon to perform a BitLocker recovery. Can anyone help me please? I have a user with windows 10 and needs to be setup with bitlocker and I need setup with password instead of pin. BitLocker Will Not Unlock BitLocker may fail to unlock when the key is entered. A BitLocker password can be 8 to 256 characters long including uppercase and lowercase letters, symbols, numbers, and spaces. This behavior then loops. Step 4: Click Unlock to unlock your BitLocker encrypted drive. Option 3: Using BitLocker cracking tool - BitCracker. Open an elevated command prompt window: press the Window key + X shortcut and select Command Prompt (admin). Suspend BitLocker: open the Search app, tap in BitLocker, hit Enter, then select Manage BitLocker, and click Suspend protection. This can be done in a variety of ways. Step 3: Enter the usual password on the unlock window. This tutorial will show you how to change the BitLocker password of an encrypted drive in Windows 10. If you are using UFEI; boot to the BIOS, open Boot Sequence, Click "Add Boot Device/Option", Enter a name in Boot Option name (Hard drive), Click the ... button, Click EFI, Click Microsoft, Click Boot, Click Bootmfgw.efi, click OK. Solution 1: Try the correct BitLocker password. The user can type in the 48-digit recovery password. Here are some instructions on what you can do when BitLocker encrypted drive doesn't accept correct password or BitLocker recovery key. In this situation, you must find the correct password and try again. The reason you can't type letters is that BitLocker Recovery Keys are ALL NUMERIC. First, suspend bitlocker in Windows. My external harddisk has bitlocker and I know the password but I don't remember whether I saved the recovery key or not. Type in password to unlock Bitlocker drive. If the BitLocker password is not working, BitLocker encrypted drive won't be unlocked. If the command above executes successfully, you will get the message asking to enter the password to unlock this volume. Before you can change the PIN or password on a BitLocker protected drive, you must unlock the drive.