The system must be installed in UEFI mode, no clone advisable, a clean OS install is the best option.
Unplug all other drives and the ASR, read the guide and the section “4 - Installation of the OS onto the NVMe SSD” concerning the OS installation:
https://winraid.level1techs.com/t/howto-get-full-nvme-support-for-all-systems-with-an-ami-uefi-bios