Problem with s4

Hello,when i go to play s4 league in looby i see ALL black and when i go to exit i see another time all black and i don't use hack :/ :(:(:(:(:(:(

You have to download the latest version of the treiber of you soundcard
that i have made so too and it works

me too have the same problem another guys saying reinstall the game idk if that will work or what