
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, ...

When your Windows computer starts acting up—slow performance, error messages, or network problems...

If you see 'connection refused' when using Windows Terminal behind a proxy, the terminal is likel...

You open Microsoft Store and see an SSL certificate error—maybe “ERR_CERT_AUTHORITY_INVALID” or a...

When Windows Defender or Microsoft Defender Antivirus shows error code 0x80072f0d, it usually mea...

You open PowerShell as an administrator, and instead of getting a prompt, you see a spinning circ...