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Ubuntu Wireless Internet Not Working in Dell Mini

Wireless Internet have always been troublesome for me from the day I installed the Ubuntu 10.04 first in my Ubuntu. Those days the problem was that Ubuntu 10.04 didn't have the wireless drivers for Dell Mini ( Realtek/Broadcom). But then after a while when the Ubuntu 12.04 was out I upgraded to it and wireless drivers started working. Then later one day, for once, I turned off the wireless connection with the F2 key to connect using my LAN cable. The next thing I know is, I cant roam around with my dell mini because the wireless internet could not be enabled again. I got stuck with the whole LAN connection thing.

The Ubuntu 12.04 doesn't support turning back on the wireless internet once its turned off for dell mini.

 I lived with it for a few months and lately I searched all over the internet to see if anybody have fixed the issue. Fortunately, I found several solutions scattered out in the internet forums and guess what, one of them works!

The forum link with the solution for is this.

Update : I just found out that Step 2 is just enough to solve the issue. I recommend directly skipping to Step 2 and only if it doesn't work come back to Step 1

The solution in short is, follow the following steps:

Step 1. Go to the ubuntu terminal and type the following command:

$ sudo rfkill unblock all

This will unblock all the hardware drivers which were switched off manually. Some say it won't work, but it did for me I guess. Now type the following command to restart the network:

$ sudo /etc/init.d/network-manager restart


Step 2. Restart you dell mini, press F12 to go to the bios and make everything 'Set to Default'. Continue booting. ( This should be having the Wireless and Bluetooth enabled automatically again).

I did both Step 1 and 2 sequentially. Although no changes were evident after Step 1, when I restarted it this way everything was working fine again. I'm not sure if the Step 1 worked, but nothing wrong in giving it a shot.

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