rog crosshair vi (hero or extreme)
Page 3-20 manual
Compatibility Support Mode - set to [DISABLED]
Secure Boot
1- The M.2 drive has to be the only drive installed.
2 - Go into the BIOS, under the boot tab there is an option for CSM, make sure it is disabled.
3 - Click on secure boot option below and make sure it is set to other OS, not Windows UEFI.
4 - Click on key management and clear secure boot keys.
5 - Insert a USB memory stick with a UEFI bootable iso of Windows 10 on it, USB3 is quicker but USB2 works also. A Windows DVD won’t work unless you’ve created your own UEFI Bootable DVD.
6 - Press F10 to save, exit and reboot.
7 - Windows 10 will now start installing to your NVME drive as it has its own NVME driver built in.
8 -...