Quick update. For the second machine, it was my Motherboard's Bios that was overriding the bootloader. I fixed that, and it works now.
So, only the first one failed to properly write the EFI files.
Quick update. For the second machine, it was my Motherboard's Bios that was overriding the bootloader. I fixed that, and it works now.
So, only the first one failed to properly write the EFI files.