If your Windows PC is stuck in Diagnostic Startup mode, force Normal Boot via Command Prompt or disable PIN-only sign-in via Regedit.

Secure Boot is a setting that makes sure only official software runs on your PC, and it needs to be enabled for Windows 11 to work. Here's how to enable it.

If a Boot failure detected on your Windows 11/10 computer, you need to follow the solutions mentioned in this post to resolve the issue.