[ubuntu] connecting to the Internet while using Ubuntu

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http://ubuntuforums.org – I have a dual boot system with Windows 7 and Ubuntu. I use Verizon Mobile Broadband (HP un2420) to connect to the Internet on the Windows side. When I use Ubuntu I can't access the Internet unless I use Barnes and Noble or some other WiFi offered from a local business. I do not understand why my Verizon access doesn't show in the wireless connections to choose from when I'm using Ubuntu. I don't want to have to pay for another wireless provider just so I can connect on the Ubuntu side. Does anybody have any suggestions as to how I can use Verizon to connect to the Internet when I'm using Ubunt (Hardware)