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Thread: Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

  1. #1
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    Exclamation Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

    Hi all,

    I just installed Ubuntu 12.04 on my laptop through update manager. It´s done now, but my Wireless connection doesn´t work, (it shows up though, you can edit it.) I tried looking for a solution on my laptop by plugging in the ethernet cable, but that doesn´t seem to work either. I´ve got a hunch about that but I really need help with the Wireless! Driver is deactivated, but activating it does NOT work..

    Please respond, thanks.

  2. #2
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    Re: Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

    anyone?... Sorry for being impatient, but I really need help a.s.a.p.

    Using a Lenovo g550 by the way.
    Last edited by Maverick Mungbean; April 30th, 2012 at 08:30 PM.

  3. #3
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    Re: Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

    May we see some details? Please open a terminal and run and post:
    Code:
    rfkill list all
    lspci -nn | grep 0280
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  4. #4
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    Re: Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

    Quote Originally Posted by chili555 View Post
    May we see some details? Please open a terminal and run and post:
    Code:
    rfkill list all
    lspci -nn | grep 0280
    Thanks.
    Uh, the Wireless is somehow working now, still no luck with the driver though. Entered the commands after it started working though.

    The output of the commands are as follows:

    Code:
    rfkill list all
    output
    Code:
    0: ideapad_wlan: Wireless LAN
    	Soft blocked: no
    	Hard blocked: no

    Code:
     lspci -nn | grep 0280
    output

    Code:
    04:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
    thanks for your help.

  5. #5
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    Re: Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

    With the ethernet cable attached, please do:
    Code:
    sudo apt-get install --reinstall bcmwl-kernel-source
    sudo modprobe wl
    Now is it working?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  6. #6
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    Re: Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

    Quote Originally Posted by chili555 View Post
    With the ethernet cable attached, please do:
    Code:
    sudo apt-get install --reinstall bcmwl-kernel-source
    sudo modprobe wl
    Now is it working?
    It is. You are a saint, thanks so much!

  7. #7
    Join Date
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    Re: Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

    My ex-wife's lawyer would disagree! Would you please use thread tools at the top to Mark Solved so that the searchers can find the solution?

    -----------

    Note to searchers: This is for pci.id 14e4:4315 only. If that's not your pci.id, please keep searching.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  8. #8
    Join Date
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    Re: Ubuntu 12.04 LTS Wireless&Wired not working; Driver fails to install.

    Done and done.

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