To resolve the issue with re-enabling automatic unlock for your BitLocker-encrypted drive (E
in Windows 7 SP1 after encountering the "Element Not Found" error, you can try the following steps: 1.
Check BitLocker Status: Confirm the current status of BitLocker encryption on the E: drive to ensure it's in a stable state. Run the following command in an elevated Command Prompt:
2.
Unlock Drive Manually: If the drive is currently locked, unlock it manually using the BitLocker password. 3.
Clear TPM: If your computer has a TPM (Trusted Platform Module), clear it to help reset the state of BitLocker. To clear the TPM, you can go to the BIOS settings on your computer. 4.
Check for TPM Errors: Check the Event Viewer for any BitLocker-related errors that might be causing the issue. Look under "Applications and Services Logs" > "Microsoft" > "Windows" > "BitLocker-API". 5.
Use Manage-BDE Command: Try using the following Manage-BDE command to re-enable automatic unlocking for the E: drive:
Code:
manage-bde -autounlock -enable E: -ct
Replace
with the Volume Key Protector ID of the E: drive. You can find this ID by running
manage-bde -protectors E: -get. 6.
Update System: Ensure your system is up to date with the latest Windows updates, as this can sometimes resolve BitLocker issues. 7.
Run SFC and CHKDSK: Use System File Checker (SFC) scan to check for any corrupted system files and run a CHKDSK scan on the E: drive to fix any potential disk errors. If the issue persists after trying these steps, backing up your data to an external drive and then decrypting and re-encrypting the drive might be necessary. Always backup your important data before making significant changes to encrypted drives.