LOADING SCREEEN ISS EXTREMELLY SLOWW, BLACK SCREEN CHAMPION FRAMES + 20 MIN LP

This is fcking bs. My league was working fine until this sht happen. My league is loading reallly slow like a turtle, and champion frames are black. It takes 10 min to load and when you load it says 'you have been disconnected', Got low priority queue for this bs !!!!!?!?!?!?!?!?!?!!? Reninstalled twice still happening. Pleaseee helppppp