Problem with start Mac os x 10.6 Snow Leopard after succes install #AMD

Hello, i've done install mac os x Snow Leopard, but system won't start, i've boot Chameleon but when i want boot my mac system, monitor is turning off and i cant do anything ... :(



Please help







AsRock 970DE3/U3S3 - Motherboard



AMD Phenom II x4 965 - CPU



AMD radeon HD 7800 series - Graphic