Thursday, April 14, 2016

Problem in connecting Wifi in Ubuntu 14.04 LTS after upgrading?


Hi all,

Recently i upgraded my Operating System to Ubuntu 14.04 LTS from ubuntu 12.04 LTS  in my Dell Vostro laptop. But after upgrade has finished i found my wifi connection not working in Ubuntu 14.04.

I checked #ifconfig -a, but wlan0 is not listed in the list of interfaces.

After some research i found the solution.

Here i'm providing some commands to troubleshoot your wlan interface.

> Check all the wireless devices available in the system and their state (block or unblock)
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