
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, ...

If you see a message like "Your profile version is not supported" or a mismatch error when starti...

When you see a 502 Bad Gateway error while configuring BitLocker, it usually mea...

You open Command Prompt, run a command like ipconfig /flushdns or del /f /s /q...

You enable BitLocker, but it fails with an error about a dependency conflict or service not start...

You restart your computer, and Outlook either won't launch or hangs on an update that never compl...