Secure Boot issues are more common than they should be. Firmware updates, factory resets, and a few PowerShell scripts can fix most of them.
Windows 11’s Secure Boot 2023 updates are failing across some PCs, exposing a wider firmware problem
Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.
So... my Asus mobo (ROG Strix Z390-E Gaming) is from 2018, and while the code Andrew provided for PowerShell shows I'm OK for the new cert, I get "False" for Default ...
How to check your Windows PC for expiring security certificates - a big one is ending soon ...
Your system will still work without the security feature, but what are the risks if you disable it?
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