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[i3c]

Hi,
I thought I had followed the directions for setting up MediaCenter for HDR playback. When I playback a 4k HDR MKV the image has fine, regularly-spaced, horizontal black lines. If I minimize the video window I see the black lines across the desktop too. When I exit MediaCenter the black lines go away. I don't get this issue with regular movies.

Intel i5-7300HQ
GeForce GTX 1060 3G
Windows 10 Home 1909
JRiver MediaCenter 26.0.22

[tij]

Does this happen when you play this video with other players (like MPC or VLC)?

[i3c]

Hi,
The stripes don't show up in either MPC-HT or VLC. MPC-HT does not display the HDR content correctly -- it looks flat and washed out (I assume it needs some configuring to work with HDR content.) VLC looks pretty good right out of the box, though.
thanks.

[JimH]

Please try a Google search for HDR JRiver.

Here's an example of what you can find:
https://yabb.jriver.com/interact/index.php?topic=113893.0

[i3c]

It looks like it was a hardware issue. I no longer see the problem after installing a new (8k certified!) HDMI cable.