Just got a Yoga6. Had to go into BIOS and disable secure boot. Then F12 on boot to choose my SysResc USB, boot that. Add syslinux to existing EFI partition. Install Gentoo. Rsync /home from the old machine.

But it did take some fiddling with efibootmgr to fully purge the Windows shit.

MS still gets paid for the license, even when it's not used.