Why dose my screen go black specifically on hdmi2

So some times when I want to play a game and I switch to hdmi2 my screen will be black, I can here the xbox sounds but it's a black screen and it's not a flicker, the moment I switch to hdmi2 the screen gose black, but I can see the volume and everything just not the Xbox screen. The last time this happened it just fixed its self I don't know why or how?

:)