Help i have tried numerous installs of lion on my AMD system. i have successfully installed snow leopard 10.6.8 but i have read that in order to get my graphics card working (XFX ATI 6970) i must have lion installed i have tried numerous times the furthest i have got is to install it but then it fails to boot and that was from a french website that was translated :S. i also want to run triple monitors off it if possible.
French Website :
http://bit.ly/UEcuxlTranslated page :
http://bit.ly/QR3ilnAny Help would be greatly appreciated

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System Specs:-
Cpu :- AMD Bulldozer FX 8120
motherboard :- Asus M5A87
Graphics :- XFX 6970 2GB
Memory :- Corsair Vengeance Black 4x4gb 16GB
HD :- 2TB Western Digital
PSU :- 750w
Monitors 3 x LG E2281