Microsoft is in the middle of a Secure Boot certificate transition that many users will not notice until it becomes a problem ...
First, try turning on your computer by disconnecting all unnecessary devices. If this works, open the Device Manager after logging into your system and check the status of your graphics card driver.
Windows 10 KB5073724 is available, but it shows up only when you subscribe to ESU (Extended Security Updates).
How to add legacy Advanced Boot Options to Windows 10 or Windows 11 Your email has been sent Microsoft decided the Advanced Boot Options menu was no longer needed ...