Question: How do I play Dolby ATMOS through a receiver on Z270 Gaming-ITX/ac?(10/1/2017) Answer: Please refer to the following requirements, configurations and setup procedures.
OS: Windows 10
Receiver / decoder: Onkyo TX-NR 747 or other receiver supporting HDCP 2.2
Player: Pioneer Ultra HD Blu-ray drive
BD Disk: Most 3D / 4K BD disk movie
Playback Software: Power DVD 14 or later version
1. When the system boots up, press "F2" to enter UEFI setup screen.
Go to Advanced > CPU Configuration and enable "Software Guard Extensions" in BIOS setting.
Press "F10" to save and exit the BIOS setup screen.