Recently, after I turn on my entertainment system, launch Plex and start playing a video, the video will play, but there is no sound. I must restart my Roku and the sound then returns with no problems. There is sound effects like scrolling sounds and the background show music bed, but when a show is played there is no audio unless the Roku is rebooted.
I don't have issues with any other app. Just Plex. There are no updates available for my Roku. It is up to date.
I'm running Plex Media Server on a Windows 10 box. Version 220.127.116.1109.