New Client Beta Black Screen Entering Champion Select 3 times and LOST MY PROMOS TO SILVER! PLS HELP

IM CURRENTLY IN B1 AND HAD THE OPPORTUNITY TO GET INTO SILVER. BUT DO TO A BUG ON THE NEW CLIENT BETA OF YOURS. I LOST IT. IT WAS A BLACK SCREEN ON THE CLIENT I CAN HEAR THE BANS. BUT I COULD'NT SEE ANYTHING OR CLICK A CHAMP. THIS IS VERY FUSTRATING BECAUSE NOT JUST I LOSE MY PROMOS TO SILVER. I GET PENALIZE FOR IT TOO! 69 LP THANKS TO YOUR CLIENT!