I have the same problem.. however, on my bios i only selected as iGPU as my primary graphics.. when i boot up High Sierra it uses my GTX660ti and HD4000 ( seeing it as 3 monitor setup).. it uses my GTX660ti as my Display Driver and HD4000 as console :3
I think I've encountered this. But have you tried waiting for it to load? When you created your macOS USB did you select UEFI? try to create another installer with UEFI that might help. If not I'm sorry man
Did you try and wait for it? Because
Have you tried waiting for it ? Because in my previous install of macOS it get stuck on the same thing but it'll continue eventually. And you should update your profile with your system specs
It is better to use terminal than using Clover Configurator because sometimes it doesn't mount it or it mounts a different EFI partition from the drives connected to your computer.
type "diskutil list" (you'll get all the drives that are currently connected to your computer like...
what i understand on your post is that your motherboard is not reading the drive properly installed because it skips it. On the Unibeast installer was there a selection about the bootloader you have to use? what you can do is just try to reformat your usb and try to reinstall macOS sierra on...
Open Terminal (Utilities>Terminal)
(look for your drive where you installed your bootloader -- as for mine its on /dev/disk1s1)
diskutil mount /dev/diskXsY
(X=# of the drive Y= # of the partion ---this is to mount the efi partition)
EFI partition unmounts...