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Thread: Broadcom BCM4312 / HP DV6

  1. #1
    Join Date
    Jun 2012

    Broadcom BCM4312 / HP DV6

    Hello experts!!!

    I am having trouble getting my wifi working on a HP DV6. The signal indicator at the top of the laptop stays red and will not change to blue. Have just upgraded to 13.04 today (after a recovery) but am sure this is not the cause. I have a DV7 running fine on the same router so it is not the router. I will paste in some output.

    lspci -nnk | grep -i net -A2
    02:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
    Subsystem: Hewlett-Packard Company Device [103c:1508]
    Kernel driver in use: b43-pci-bridge
    03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 02)
    Subsystem: Hewlett-Packard Company Device [103c:3627]
    Kernel driver in use: r8169

    sudo ifconfig wlan0 up;iwconfig
    wlan0: ERROR while getting interface flags: No such device
    eth0 no wireless extensions.

    lo no wireless extensions.

    Also ran these but got errors

    sudo apt-get remove bcmwl-kernel-source
    sudo apt-get purge b43-fwcutter firmware-b43-installer firmware-b43-lpphy-installer firmware-b43legacy-installer bcmwl*
    sudo apt-get install b43-fwcutter firmware-b43-installer bcmwl*

    The above instructions I found at this url

    Please advise. Thanks in advance...
    Last edited by bencouve; November 26th, 2013 at 09:54 PM.

  2. #2
    Join Date
    Oct 2009
    Reykjavík, Ísland
    Lubuntu 17.10 Artful Aardvark

    Re: Broadcom BCM4312 / HP DV6

    Though you are sure it does not help you should still consider a clean install of 13.10. 13.04 is out of support in a couple of months so you need to get to .10 anyway.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  3. #3
    Join Date
    Jun 2012

    Re: Broadcom BCM4312 / HP DV6

    Ok, I will try that. Thanks for the comment


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