[ubuntu] Trendnet TEW-645UB usb wireless card not supported?

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http://ubuntuforums.org – New to Ubuntu and trying to get my wireless capabilities up and running. I didnt find my TEW-645UB usb wireless adapter on the list of supported ones, so I guess there is no way for me to get online with my desktop. Also have a Sony Vaio laptop with an Intel Pro/Wireless 3945ABG card that i believe is supported. What are the basic steps to getting online with Ubuntu. I will search the forums but i would also appreciate any help as I am new to linux. (HowTos)