Troubleshooting guide
How to fix the problem
BitLocker Encrypted SSD may no longer unlock automatically after motherboard replacement because the data stored in the old TPM is no longer accessible. This doesn't mean you need to format the drive: you need a recovery key for that drive.
Possible solutions
Choose the method that matches your situation. Start with the simplest suitable option and check the result. If the problem is fixed, you do not need to continue with the other methods.
Finding the correct drive key
Dial the key by ID.
Steps to follow
- After connecting the drive, write down the displayed key ID BitLocker; do not confuse it with the serial number of a new motherboard or computer.
- Find the key that matches that ID in your Microsoft account or organization's keystore.
- Check the old key files or hard copies if they were made during the installation of the computer.
- After unlocking, copy important data first and only then repair Windows startup or drivers.
Unlocking as an additional drive
Suitable when the old Windows does not start on a new computer.
Steps to follow
- Connect the SSD in a compatible way as an additional drive instead of formatting it for a new system.
- In Windows File Explorer, select the locked drive and enter its recovery key in the additional unlock options.
- If you are prompted for initialization or the capacity is displayed incorrectly, cancel and check connector and adapter compatibility.
- After successfully unlocking, copy the data to another physical drive. Create a new encryption setup only after a verified copy.
If the problem persists
Without the required key or other legitimate unlocking method, encryption cannot be reliably bypassed. If the data is important, do not initialize the disk and do not install the system on top. Address data recovery before a separate Windows startup repair.
Request a repair