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I am entirely new to Ubuntu, and installed it alongside Windows Vista with the Wubi installer.

When booting the Ubuntu OS, my computer does not recognize any wireless networks at all and effectively destroys all internet capabilities.

Plugging in an ethernet cord does give me internet access, but I cannot keep my laptop plugged in to it due to it's location.

Can someone help me?

I have a Dell Inspiron 1525 running windows Vista / Ubuntu

My wireless network is set up with an Apple Airport Extreme.

I have tried researching things to resolve this issue but could not find any. I found tips that suggested using command lines and command prompts, however I have no clue how to use these and don't even really know what they are.

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First open a terminal by clicking on the top left icon of desktop called "Dash Home". Type "terminal" in the text box and click on the "Terminal" icon. Now login as root by typing "sudo -s" in the terminal. You may be asked for a password. Once you login as a root, type the following command "iwlist scan" and paste the output here. –  Jay Apr 14 '13 at 3:05
    
If you have a dell and the wireless doesn't work out of the box, then you probably have a broadcom card, in which case refer to this: askubuntu.com/questions/55868/… –  bcbc Apr 14 '13 at 4:28
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