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

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

You enter your BitLocker password, but the drive won't unlock. This can happen for several reason...

You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...

If you notice Microsoft Teams frequently purging its cache—causing you to re-login, re-download f...

You try to connect to a remote Windows machine but get 'access denied' or 'the connection was den...

If you're having trouble downloading or updating apps from the Microsoft Store, a corrupted or mi...