Find the Secure Boot option and change it to Disabled. Save the changes and reboot again. We recommend keeping Secure Boot enabled unless you're sure it needs to be disabled. This article explains how ...

Brace yourself for my maverick ways: I turned off Secure Boot recently. I’m a loose cannon of the highest order, I know. Though Microsoft and Linux systems urge you to have this feature enabled, your ...

I only know that secure boot is a feature that checks the system bootloader is properly signed by something/somebody authorized to do so. So it would make sense that ...