A:Requirements:
O/S: Windows 10
Receiver / decoder: Onkyo TX-NR 747 or other receiver supports HDCP 2.2
Playback Software: Power DVD 14 (from Pioneer Ultra HD Blu-ray Drive)
http://pioneer.jp/pcperipherals/bdd/products/bdr_s11j/spec/
Configuration:
M/B: Z270 Gaming-ITX/ac
BIOS: P1.20
Setup:
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.

2. Boot into O/S. Install all drivers for the M/B.
Install ME driver (v11.6.0.1126_SW_MSI). Download the driver from the following link:
https://www.asrock.com/MB/Intel/Fatal1ty%20Z270%20Gaming-ITXac/index.asp
3. Go to Control Panel > Hardware and sound > Sound and select "HDMI output”.

4. Enable the "UHD color” on the TV.
Please run "Ultra Blu-ray advisor” to see if all "Pass”.
Pioneer UHDBD Advisor:
http://pioneer.jp/pcperipherals/bdd/eula.php

5. Put a 4K movie BD disc into the Pioneer Ultra HD Blu-ray drive.
6. Click "Power DVD”.
7. Then you can play the content.