[ubuntu] help me!! my network card bcm 43227 can't connect wifi .

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http://ubuntuforums.org – my problem is the same with http://ubuntuforums.org/showthread.p...light=BCM43227 and , i have no cable network Ethernet. how can i do. give me detail step and drivers download link..please..help me. moreover, i don't want HDD install. please read the http://ubuntuforums.org/showthread.p...light=BCM43227... its my big problem.....thanks. (Hardware)