[ubuntu] Wifi issues upgrading to 12.10 with Intel Corporation PRO/Wireless 3945ABG

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http://ubuntuforums.org – Hello, I am a Linux newbie and upgraded to 12.10, but my wifi doesn't work properly. It connects, but then will ask for re-authentication after 20 seconds. I know very few commands, but from searching other posts I found some commands with results show below: Thanks for the assistance! lspci -nn | grep -i network 03:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (rev 02) ifconfig eth0 Link encap:Ethernet HWaddr 00:e0:b8:ea:fd:29 inet addr: Bcast: Mask:255.255. (Hardware)