I think you need to restore Factory Keys first. (see option Restore Factroy Keys)When I try to turn on Secure Boot in the UEFI I get the message in the image. Do I need the Restore Factory Keys option?View attachment 748
Thanks again Manfred. I have exactly the same result. Not a problem for me at the moment as I am getting sound through the Displayport connection to my monitor's poor speakers.Hi William,
i think, there exists no current driver at this time. I tried to find, ... tried to find, ... tried to find in the internet without success.I think, we have to wait. And yes, while trying to install the driver from the device manager with activated "secure boot" there comes the window below: it's a problem with the digital signature (TPM / secure boot) Without "secure boot" it works fine.
View attachment 752