I was recently pleasantly surprised by a Linux utility that can list all UEFI variables stored in Hii and change them: https://github.com/linuxboot/uefisettings

I was recently pleasantly surprised by a Linux utility that can list all UEFI variables stored in Hii and change them: https://github.com/linuxboot/uefisettings/ https://github.com/linuxboot/uefisettings/ Obviously can't bypass security settings like this laptop has, but it's useful for a few settings in my case.