this system is broken

1st game the game is puased cant move anything then you can move with 60 fps game so lag then i need to alt + f4 then reconncet but it can't reconnect idk why so i started the new game and then i got no one only me alone in team so i leave the match sundenlly i got banned for 10 mins with - about 300 rp in diamond I WTF is this even 20+ ss still face the same issues dev are you alright???