Don't ask me how long I have had this built. Airbus z370 u/g2 + Samsung 850. I have read solved thread for this but bios menu options are different. Nvme can be made to appear as boot option but usb installer won't recognise it. Samsung is in m2q slot as recommended by aorus. In boot menu I have to enable cms to set secure boot to legacy and clear keys, then disable cms. I plug in uefi stick and save and reboot to bios. Nvme shows as selected boot option. I enable cms and restore keys then disable cms. Save and reboot to Windows installer where nvme doesn't show. Help, have had this built for too long and I am at a complete loss.