metroid prime 3 black screen at startup

[MacX777]

Hello, I as iso metroid prime 3, I dolphin 2.0 RC1 on Mac OS X 10.6.3. And I can not start the game, I selected the iso file, but in the window where the game will have to appear, I have a black image. So can you help me run this game?

Thank you in advance for your reply

(PS: excuse my English I'm French)