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Thread: Fn + F21 Does not work for wifi on my HP DV6 7040tx

  1. #1
    Join Date
    May 2011
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    143
    Distro
    Ubuntu 12.04 Precise Pangolin

    Fn + F21 Does not work for wifi on my HP DV6 7040tx

    I use this laptop
    http://h10010.www1.hp.com/wwpc/in/en/ho/WF06a/321957-321957-3329744-64354-64354-5226230.html?dnr=1


    I installed bcmwl-kernel-source driver for my BCM4313 and I am able to connect to the any wifi network. But I cannot disable/enable the wifi using the Fn+F12 key. It usually stays white when on and orange if off. But no matter how many times I press Fn+F12 it always stays white. If I click on disable wireless networking from unity or gnome panel then the color goes orange. The software on unity is able to change the indicator color of the wifi but the hardware switch (Fn+F12) does not work.


    [psycho:~] $ lspci | grep BCM0a:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)

  2. #2
    Join Date
    Aug 2011
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    Berlin, Germany
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    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Fn + F21 Does not work for wifi on my HP DV6 7040tx

    Please check:
    Code:
    lsmod
    rfkill list

  3. #3
    Join Date
    May 2011
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    143
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Fn + F21 Does not work for wifi on my HP DV6 7040tx

    lsmod -> output is at http://pastebin.com/brZAr0vg
    Code:
    1z [psycho:~] $ rfkill list
    0: phy0: Wireless LAN
    	Soft blocked: no
    	Hard blocked: no
    1: brcmwl-0: Wireless LAN
    	Soft blocked: no
    	Hard blocked: no
    2: hci0: Bluetooth
    	Soft blocked: no
    	Hard blocked: no

  4. #4
    Join Date
    Aug 2011
    Location
    Berlin, Germany
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    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Fn + F21 Does not work for wifi on my HP DV6 7040tx

    Try to unload this module on the fly:

    Code:
    sudo rmmod hp_wmi

  5. #5
    Join Date
    May 2011
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    143
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Fn + F21 Does not work for wifi on my HP DV6 7040tx

    I tried
    Code:
    rmmod hp-wmi
    but that did NOT WORK. I even went to the extent of adding that driver to my blacklist.

    Code:
    nano /etc/modprobe.d/blacklist.conf
    blacklist hp-wmi
    Last edited by vikkyhacks; May 8th, 2013 at 08:16 AM.

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