my HD 4850 in my spare computer doesnt like the newest drivers. it seems to only work on 11.7. if you try updating to 11.8 (before 11.9 came out) it would just go blank and lock up the system lol. have yet to really try updating to the 11.9 bc im not really having any issues with 11.7.
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Rift-Gnarlwood (G):Joncrichton, Aerysunn, Rigel, Kahdargo
i7-920 3.8GHz, air-cooled Everyday im husslin'