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Thread: Dell D520 wifi help (11.04)

  1. #1
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    Jun 2011
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    Question Dell D520 wifi help (11.04)

    Hi everyone.

    I just installed ubuntu 11.04 on my dell latitude D520 laptop with a broadcom WIFI card (it says the proprietary driver is the Broadcom STA wireless driver) and ubuntu shows that the device driver is in use. My question is how to I use it? My hardware WIFI light is off and I cannot use the key combination to turn it back on. I am actually not sure how to connect to wifi... CAN SOMEONE PLEASE HELP!

  2. #2
    Join Date
    Jan 2011
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    Ubuntu 11.04 Natty Narwhal

    Re: Dell D520 wifi help (11.04)

    hold on let me find the website on how i did it

  3. #3
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    Ubuntu 11.04 Natty Narwhal

    Re: Dell D520 wifi help (11.04)

    got it!
    If you do not have any other means of Internet access on your computer, you will have to install b43-fwcutter and patch packages from the install media. After that you will need to setup firmware manually (without the firmware automatically downloading and being set up).
    Setp 1.
    b43-fwcutter is located on the Ubuntu install media under ../pool/main/b/b43-fwcutter/ and patch is located under ../pool/main/p/patch/ or both in the official repositories online.
    Double click on the package to install or in a terminal (under the desktop menu Applications > Accessories > Terminal) navigate to the folder containing the package and issue the following command:

    :/b43-fwcutter/$ sudo dpkg -i b43-fwcutter*
    Step 2.
    On a computer with Internet access, download the required firmware files from http://downloads.openwrt.org/sources...a-3.130.20.0.o and http://mirror2.openwrt.org/sources/b...0.10.5.tar.bz2
    Step 3.
    Copy the downloaded files to your home folder and execute the following commands consecutively in a terminal to extract and install the firmware:

    ~$ tar xfvj broadcom-wl-4.150.10.5.tar.bz2
    ~$ sudo b43-fwcutter -w /lib/firmware wl_apsta-3.130.20.0.o
    ~$ sudo b43-fwcutter --unsupported -w /lib/firmware broadcom-wl-4.150.10.5/driver/wl_apsta_mimo.o

  4. #4
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    Re: Dell D520 wifi help (11.04)

    Thanks for the help, but I have internet acces through ethernet. How do I do it through internet? Also, could you please be a little more specific about the instructions? This is my first day using linux, so sorry if I sound like a noob...

  5. #5
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    Jun 2011
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    Re: Dell D520 wifi help (11.04)

    I just found b43-fwcutter on ubuntu software center... now what?

  6. #6
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    Re: Dell D520 wifi help (11.04)

    Ok. I just looked on windows and it showed that I have a broadcom 440x 10/100 integrated controller. This is for ethernet. Then it showed that I have a dell wireless 1390 WLAN Mini PCI Card. So i do not think I even have a broadcom wifi card!

  7. #7
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    Jun 2011
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    Re: Dell D520 wifi help (11.04)

    correction, it is a Broadcom BCM4311 802.11b/g WLAN (rev 01)

  8. #8
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    Ubuntu 11.04 Natty Narwhal

    Re: Dell D520 wifi help (11.04)

    congratulations!!!!!!!!!!!!! your card is supported!

    this works with or without internet access
    so just run those on a terminal.... and you should be good!
    thanks
    btw you can connect to your wifi on the top bar where the on sympol is and the battery; the one with the concave bars is the one

  9. #9
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    Ubuntu 11.04 Natty Narwhal

    Re: Dell D520 wifi help (11.04)

    actually, you know what, just run this after you copied the files to your home folder
    ~$ tar xfvj broadcom-wl-4.150.10.5.tar.bz2
    ~$ sudo b43-fwcutter -w /lib/firmware wl_apsta-3.130.20.0.o
    ~$ sudo b43-fwcutter --unsupported -w /lib/firmware broadcom-wl-4.150.10.5/driver/wl_apsta_mimo.o

  10. #10
    Join Date
    Jan 2011
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    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Dell D520 wifi help (11.04)

    also check if your hardware switch for the wifi is on(it could on the front or the side

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