Did someone say restore? Here's an important guide on how to recover partitions using Acronis True Image on UEFI-powered systems running Windows 8.1, covering in-vivo restore with ATI bootloader, bootable media, UEFI vs Legacy boot mode, MBR, other tips and tricks, and more. Have fun. http://www.dedoimedo.com/computers/windows-8-1-uefi-ati.html Cheers, Mrk