[ubuntu] trying to get wireless networks to show up

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http://ubuntuforums.org – I never expected to struggle this mightily with Linux, but I'm fairly close to giving up completely. I am switching from Win7 and I'm fairly proficient with a PC. I just installed Ubuntu 12.10 & I haven't seen a hint of a wifi network available since. I just ran several commands found on another post that might help troubleshoot. please let me know if you can find something. Nothing has worked and I've been at it for a few hours now. b43-fwcutter process etc etc. nothing is working. here's those commands: lspci -nnk | grep -iA2 net 02:05.0 Network controller [0280]: Broadcom (Hardware)