Here is my situation. I have a PC, a 4k Smart TV, and a Denon Receiver. My goal is to get 5.1 audio from my PC.
The HDMI out from my receiver is going to HDMI 1 on my TV. HDMI 1 is the only HDMI port that has ARC so I use that for 5.1 audio for Smart TV applications.
However, HDMI 5 on my TV...