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Thread: Lenovo g560 eth0 no wireless extensions

  1. #1
    Join Date
    Jul 2011
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    Unhappy Lenovo g560 eth0 no wireless extensions

    After some updates that required restart, the wireless stopped working.
    My wireless card: is Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 02)


    Can someone please point me to the right direction into solving this?

    Thanks!
    Petre

  2. #2
    Join Date
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    Re: Lenovo g560 eth0 no wireless extensions

    You posted details about your wired ethernet card. Please run and post:
    Code:
    lspci -nn | grep 0280
    rfkill list all
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #3
    Join Date
    Jul 2011
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    Smile Re: Lenovo g560 eth0 no wireless extensions

    Sure

    Code:
    05:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01)
    AND

    Code:
    0: ideapad_wlan: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    1: ideapad_bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no
    2: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
    This part was:
    Code:
    0: ideapad_wlan: Wireless LAN
        Soft blocked: yes
    But I run this: rfkill unblock all and now is: Soft blocked: no


    Thanks for your reply!
    Petre

  4. #4
    Join Date
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    Re: Lenovo g560 eth0 no wireless extensions

    Your Broadcom works best with the STA driver. Let's try to re-install it and see if we can get it going.
    Code:
    sudo apt-get install --reinstall bcmwl-kernel-source
    sudo modprobe wl
    iwconfig
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #5
    Join Date
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    Re: Lenovo g560 eth0 no wireless extensions

    After the first command I got lots of data, but something went wrong:

    Code:
    FATAL: Module wl not found.
    Second:
    Code:
    FATAL: Module wl not found.
    Still:

    Code:
    eth0      no wireless extensions.
    lo        no wireless extensions.

  6. #6
    Join Date
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    Re: Lenovo g560 eth0 no wireless extensions

    After the first command I got lots of data, but something went wrong:
    It will be helpful to see the exact errors. Can you please run it again and copy and paste the terminal output here? May we see:
    Code:
    lsb_release -d
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  7. #7
    Join Date
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    Re: Lenovo g560 eth0 no wireless extensions

    Code:
    sudo apt-get install --reinstall bcmwl-kernel-source
    
    
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
    Need to get 0 B/1,181 kB of archives.
    After this operation, 0 B of additional disk space will be used.
    (Reading database ... 173150 files and directories currently installed.)
    Preparing to replace bcmwl-kernel-source 5.100.82.112+bdcom-0ubuntu3 (using .../bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_amd64.deb) ...
    Removing all DKMS Modules
    Done.
    Unpacking replacement bcmwl-kernel-source ...
    Setting up bcmwl-kernel-source (5.100.82.112+bdcom-0ubuntu3) ...
    Loading new bcmwl-5.100.82.112+bdcom DKMS files...
    Building only for 3.5.0-18-generic
    Building for architecture x86_64
    Module build for the currently running kernel was skipped since the
    kernel source for this kernel does not seem to be installed.
    ERROR: Module b43 does not exist in /proc/modules
    ERROR: Module b43legacy does not exist in /proc/modules
    ERROR: Module ssb does not exist in /proc/modules
    ERROR: Module bcm43xx does not exist in /proc/modules
    ERROR: Module brcm80211 does not exist in /proc/modules
    ERROR: Module brcmfmac does not exist in /proc/modules
    ERROR: Module brcmsmac does not exist in /proc/modules
    ERROR: Module bcma does not exist in /proc/modules
    FATAL: Module wl not found.
    update-initramfs: deferring update (trigger activated)
    Processing triggers for initramfs-tools ...
    update-initramfs: Generating /boot/initrd.img-3.5.0-18-generic
    I was under the impression that I've mentioned ubuntu version, sorry: Ubuntu 12.10

  8. #8
    Join Date
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    Re: Lenovo g560 eth0 no wireless extensions

    Module build for the currently running kernel was skipped since the
    kernel source for this kernel does not seem to be installed.
    Feel that little itch right there? That's known as a bug! You lucky Ubuntu person!

    Ideally, if the kernel source were not installed, apt would...do what?...install it! Let's help it along:
    Code:
    sudo apt-get install linux-headers-generic
    sudo apt-get install --reinstall bcmwl-kernel-source
    sudo modprobe wl
    iwconfig
    Now do we have wireless?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  9. #9
    Join Date
    Jul 2011
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    6

    Smile Re: Lenovo g560 eth0 no wireless extensions

    It works!

    Thank you for your time!
    This is all to much for me


    Have a nice day/week/year/life!!!

  10. #10
    Join Date
    Aug 2005
    Location
    South Carolina, USA
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    Distro
    Ubuntu 14.10 Utopic Unicorn

    Re: Lenovo g560 eth0 no wireless extensions

    Thanks for your kind comments! I am very glad it's working. Have fun!
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

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