Recently I installed the game Assassins Creed 3. It updated my directx 9 to directx 11. I played the game perfectly,no problems at all. Later I decided to play Assassins Creed 2. It requires directx 9 but I read that I can play the games that require directx 9 with directx 11. When I loaded the game it was so slow, both sound and video crashes like all the time. I don`t what the problem is. Can you help me?