Can you help me fix my S6 to phillips screenmirror malfunction?

[Johnny Cha-ching]

Screen mirroring from my s6 to my phillips 4k 5000 was working perfectly fine for about 30mins then the mirroring went black but its still connected but now i get no sound or audio

 

[Rukbat]

Samsung screen mirroring is supposed to connect only to Samsung smart TVs. Turn it off and use another method of getting your phone screen to your TV, like Chromecast.