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I got a Dell Vostro 2420 laptop yesterday. It was connecting to WiFi perfectly fine. Today, I am unable to connect to the WiFi network. The wireless icon also doesn't show any curved lines.

I am using Ubuntu for the first time so I don't know anything about it. Here's the output of rfkill list all:

rfkill list all
1: dell-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: dell-bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: no
3: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

I still cannot connect.

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1 Answer 1

you have first to deactivate the driver you installed from jockey,
and then you can use ndisgtk if you have your wireless driver for windows this program will create a driver for linux starting from Windows driver if it did not work you can see this for detecting you wireless card then download the driver from here

or finally if those did not worked try this
sudo apt-get install firmware-b43-installer
or this
sudo apt-get install firmware-b43-lpphy-installer in the command line

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@ali...thankx but i didnt get the head and tail of it...jockey???? ndisgtk –  manu May 18 '13 at 12:43
    
those are names of programmes you can find them in USC (ubuntu software center) jockey is Additional driver and ndisgtk is wireless driver from windows –  Abo Jihad Bazoka May 18 '13 at 12:53

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