How to fix Wireless Card on Ubuntu

I have a Dell inspiron 1564 laptop, the wireless device itself is Dell Wireless WLAN 1520 Half MiniCard, it is integrated in the laptop. The driver is installed and under windows the device works perfectly fine. I recently installed Ubuntu 10.04 LTS on it, when I select the connections in the upper bar in Ubuntu,it shows both the wired and wireless, though the wireless is gray and unclickable (that says “device not ready”).

To fix this problem,I followed this procedure.

Install rfkill:

sudo apt-get install rfkill

Enter the following command to unblock all the wireless devices:

rfkill unblock all

After these commands,wireless will work instantly, I hope. But sometime the network-manager state get corrupted. To fix this problem, open the NetworkManager.state:

sudo nano /var/lib/NetworkManager/NetworkManager.state

It will look something like this:

Change any from ‘false‘ to ‘true‘ to re-enable networking:

Then restart the laptop:

sudo reboot

To check the wireless card status, issue this command:

rfkill list

No means that the wireless device is working perfectly.Now, connect to the wireless network:

Hope this will help you!

Please Remember me in your prayers!


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