When I have party voice chat on the game mutes itself and I can’t hear my party voice chat either. My output and input are correct along with my pcs. Is there a way for me to fix this?

I know you can get the match canceled fully if there is a cheater detected, but outside of the game itself, do you gain elo if the cheater gets caught after the match fully ends?? Came across a new player who was blatantly walling with an a...