[ubuntu] Buffalo WLI-UC-G300N Not Connecting

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http://ubuntuforums.org – I have a Buffalo WLI-UC-G300N Wireless Lan Adapter that is not connecting to my wireless router. It sees all my neighbors' wireless networks in addition to my own. I have checked and double checked that I'm entering the wireless key correctly but it will not connect to my network. In fact, I have tried to connect to unprotected networks and it will not connect. The device works fine in Windows XP and Windows 7. I downloaded the latest RALink drivers from here: http://www.ralinktech.com/support.php?s=2 I have followed the directions here: http://ubuntuforums.org/archive/index.php/t-960642. (HowTos)