
Fix BitLocker Authentication Failed with TPM Not Working
If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...
Software troubleshooting desk

If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

When BitLocker fails to connect to the TPM, you'll typically see an error like "BitLocker cannot ...

If you see a message that the Windows Update configuration tool is not responding, it usually mea...

If you've upgraded to Windows 10 or 11 from a previous version, or bought a new PC with Windows p...

If you’re typing in the Outlook for Mac search bar and getting no results (or stale results), it’...