Thanks. These are just sample 4K videos downloaded from a sample site. I'll try the transcoding.

Gully wrote: ↑

Sun Nov 21, 2021 17:15

Have you set the HDMI signal format to Enhanced format for that input?

Yes.

This is one file that didn't play:



This one did play, but only in stereo, not 5.1.

I have my U4 connected to a 4K Sony Bravia A80J via a brand new high speed HDMI cable, rated for 4K, plugged into the eARC input on the TV. Everything works, except for playing 4K files on the U4's drive. I get sound but the screen is black. Anything below 4K plays fine. TV output is fine. On the U4...