I purchased a Turbo Grafx 16 and CD system at goodwill for $15. I remember reading that you need a hu card to play CD games on it if I remember correctly. Anyways, this did not include one, and All I get is a white screen when I try to play CD games. I can hear music ect ect fine, but can not see anything on the screen. There was 1 game with it, Monster Lair I belive was the name. So Do I have to have one of the CD Cards to actually play CD games? Thanks