Larian Studios Forums Divine Divinity (English) Technical Problems PROBLEM PASSING THROYGH THE STAIRWAYS

I AM AT THE BEGINNING OF THE GAME, AT THE CATACOMBS UNDER THE GRAVEYARD. WHEN I TRY TO TO GO DOWN TO A LOWER LEVEL OR GO UPSTAIRS PASSING THROYGH THE STAIRWAYS,
EVRYTHING GOES BLACK!!!!! BUT THE GAME STILL RUN. CAN YOU TELLME IF SOMEONE HAVE FACED THE SAME PROBLEM AND WHAT CAN I DO TO FIX IT??????? <img src="/ubbthreads/images/graemlins/wave.gif" alt="" /> <img src="/ubbthreads/images/graemlins/wave.gif" alt="" />