UEFI support is currently buggy at best as most of the tools in UBCD are designed for BIOS based systems.
You can search the forum for some suggestions regarding CSM settings to try to get it to boot but still not sure what programs/tools are going to work correctly if at all.
You can search the forum for some suggestions regarding CSM settings to try to get it to boot but still not sure what programs/tools are going to work correctly if at all.