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Thread: Cannot connect to wifi on 12.04 at all

  1. #1
    Join Date
    Apr 2013
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    Cannot connect to wifi on 12.04 at all

    Hey there,

    Just installed 12.04 on my laptop and I keep getting the "Wireless Network-Disconnected" message pop up, and have, in vain, been unable to find some sort of solution to get my laptop to connect to wifi.

    Help?

    and please bear with me, i am an ubuntu nub. SERIOUS nub

    thanks

  2. #2
    Join Date
    Mar 2010
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    India
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    8,175
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    Ubuntu 12.04 Precise Pangolin

    Re: Cannot connect to wifi on 12.04 at all

    Welcome to the forums ObeseRocket!

    Please open a terminal (Ctrl + Alt + T), enter the following command (you may copy-paste to avoid typo) and post back its output here -
    Code:
    lspci -nnk | grep -iA2 net
    If it is a USB adapter, then -
    Code:
    lsusb
    PS:
    We all were noobs once, and still are in many respects
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying you? Perhaps this is why.

  3. #3
    Join Date
    Apr 2013
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    Re: Cannot connect to wifi on 12.04 at all

    Alright, got this


    02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01)
    Subsystem: Hewlett-Packard Company Device [103c:145c]
    Kernel driver in use: wl
    --
    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:1444]
    Kernel driver in use: r8169

  4. #4
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    Mar 2010
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    Re: Cannot connect to wifi on 12.04 at all

    Quote Originally Posted by ObeseRocket View Post
    02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01)
    Subsystem: Hewlett-Packard Company Device [103c:145c]
    Kernel driver in use: wl
    Oh my! Please check :
    Code:
    dmesg | grep wl
    If it shows error messages like -
    ERROR @wl_cfg80211_get_station : Could not get....
    .. then please check out this thread : http://ubuntuforums.org/showthread.php?t=2140263

    A possible solution is in post #6 (not confirmed yet, awaiting feedback from the OP)

    However, if your dmesg output is free of such error messages, please follow the "Wireless Script" link in my signature and post back what the linked post asks to.
    Last edited by varunendra; May 1st, 2013 at 03:21 AM.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying you? Perhaps this is why.

  5. #5
    Join Date
    Apr 2013
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    3

    Re: Cannot connect to wifi on 12.04 at all

    Omigosh, post #6 worked, I am now connected to wifi for the first time in my experience with ubuntu.

    Thank you VERY VERY much

    now, how do i change to [SOLVED]?

  6. #6
    Join Date
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    Not heaven... Iowa
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    Hidden!
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    Ubuntu

    Re: Cannot connect to wifi on 12.04 at all

    Quote Originally Posted by ObeseRocket View Post
    Omigosh,
    now, how do i change to [SOLVED]?
    https://wiki.ubuntu.com/UnansweredPo.../SolvedThreads
    Or, use the link in varunendra's signature...
    Linux User #415691 Ubuntu User #8629
    Iowa Team (LoCo): [Wiki] [Launchpad]
    IRC channel: #ubuntu-us-ia on irc.freenode.net

  7. #7
    Join Date
    Mar 2010
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    India
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    Ubuntu 12.04 Precise Pangolin

    Re: Cannot connect to wifi on 12.04 at all

    Quote Originally Posted by ObeseRocket View Post
    Omigosh, post #6 worked, I am now connected to wifi for the first time in my experience with ubuntu.
    ..and is such a nice and welcome feedback!

    Hope it proves to be stable and let's also hope it gets fixed soon in the newer versions of the driver so that users don't have to go for workarounds.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying you? Perhaps this is why.

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