My Dell Inspiron 3421 came pre-installed with Ubuntu 12.04 LTS.
Everything was working including WiFi and Bluetooth.
Then I made a clean install of Ubuntu 12.10 64bit version.
And to my surprise, WiFi was not working. However Bluetooth was working.
Network properties shows the device as 'UNCLAIMED'. And I can't even enable it using 'eth1 up' command.
I searched through the forums and tried few tricks which were marked as SOLVED, but they didn't work for me.
Here are details of my WiFi device from a screenshot in Windows7
Device: Dell Wireless 1704 802.11b/g/n (2.4GHz)
This system is of my daily use and really need the WiFi to work. Please help me with solutions.