(HELP) Can i install fglrx?

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http://ubuntuforums.org – hi , i have compaq evo n610c i have another question regarding with linux ubuntu drivers .. i read that theres a driver for radeon which is FGLRX if im not mistaken? but i dont know if it is compatible with my vga card =.ATI mobility radeon 7500 i'm currently using xserver-xorg-video-ati as my vga driver. can i change it with fglrx? if yes ? how can i install it ? (Hardware)