Mirror For Samsung Tv App No Sound. Mirror your screen to any samsung tv, lg tv, sony tv, smart tv, gaming console, pc, laptop, mobile phone or tablet. Fortunately my tv and samsung soundbar are both hdmi arc compatible so a 2 minute fix by connecting the hdmi worked.
Tvs often do not pass thru audio signals to your receiver, it wants: The tv should not be in screen mirroring mode, but just on tv mode or any hdmi in port. Best option is dependent on the content, for example samsung tvs post 2017 do.
If there have many devices in the list, you may scroll to find then select the right one.
Check the cables you use to connect your tv and your external speakers. Make sure your dlna or chromecast compatible device or roku tv are connected to the same wifi network of the mac. Samsung tv screen mirroring keeps disconnecting. It always plays from the computer.