So this is strange, I can reproduce the bug, but an oem install in UEFI mode works, and a normal install in BIOS mode works, only an oem install in BIOS mode doesn't work. Which doesn't make any sense at all on the face of it.
So this is strange, I can reproduce the bug, but an oem install in UEFI mode works, and a normal install in BIOS mode works, only an oem install in BIOS mode doesn't work. Which doesn't make any sense at all on the face of it.