06-05-2015, 10:23 PM
Most UEFI-based motherboards come with a Compatibility Support Module (CSM), which makes the motherboard actually look like a BIOS-based motherboard.
It sounds like that you have installed Windwos 8.1 in CSM (legacy BIOS) mode, so you cannot install EasyUEFI.
It sounds like that you have installed Windwos 8.1 in CSM (legacy BIOS) mode, so you cannot install EasyUEFI.