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I have just installed Ubuntu 11.04 on my PC but Wireless Card Linksys WMP54GS-EU is not detected.
It says "there is no firmware".

On System - Administration - Extra Drivers I found only the Video Card drive which I regularly downloaded.

External software sources are duly enabled on Synaptic - Repository.

OK I find the solution: I downloaded from Ubuntu Software Center the Repository "b43-fwcutter" detected from Terminal (lspci).

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welcome to AskUbuntu - well done for finding a solution. Please add this as an answer - in a few hours after posting you will be able to accept it. By doing so will allow us to up-vote you so that you can gain "rep". – fossfreedom Oct 5 '11 at 18:04

(Since the OP has not logged in since Oct 21 '11 but reported an answer I post that as an answer to close this question.)

By issuing the following in a terminal you can detect what the device is called:


What you need to do is to install the utility for extracting the firmware for your wireless card. Do this by issuing the following in a terminal:

sudo apt-get install b43-fwcutter
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