Black screen?

[HarpLeaf]

I got he game a few days ago and i love it but... when i go to the Archives, just pretty close to the start of the game and read the note where Daniel passes out, my screen goes black and i cant see or move... I know from a fwe videos that there SHOULD be a pathway that leads to this orb thing but none of that appears... the dialogue and audio is fine but not hte rest. im running on Steam and its updated. also i updated my drivers and graphics. HELP PLEASE!