Mac left click

SO i joined a game of league after downloading it on my moms apple comp and i guess cause i minized the page while the laoding screen was up it glitched my game or something and i couldnt use my left click at all and i couldnt use any of my keyboard commands to minize the game or anything is there anyway to avoid this if it ever happens again? also my entire team from what i could tell is reporting me for trolling so idk what hapens will i get banned for it? ;; also im sorry if i put this on the wrong board i wasnt quite sure which one to put it on ><