Alienware M15x Stuck on Apple Logo Fresh Install

[aaron1o1]

Okay after some extensive trying I've managed to get my disc to load when it does load it gets stuck at the Apple logo with a loading spindal at the bottom?

Any help please!!!
Alienware m15x
Ati Radeon HD 5730
Using Snow Lion 10.6

 

[tvalenti03]

how did you install and boot?


ps you will need Ati lion frameworks for your videocard.