Why do I only see a black screen after connection establishment on Android Tv?

I installed TeamV on my Android Tv box and it asks for a plugin. Then I installed TeamV host and this installed adon. I successfully connected my android tv with my samsung s6 edge. I was controlling Android tv with mobile. On mobile it only shows black screen but when i keep on touching my mobile screen one app on tv opend. It means tv is connected just screen os showing black. Any solution?