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Thread: No Wireless : Broadcom BCM4312 802.11b/g(rev 01)

  1. #21
    Join Date
    Aug 2005
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    South Carolina, USA
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    23,514
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    Ubuntu 17.10 Artful Aardvark

    Re: No Wireless : Broadcom BCM4312 802.11b/g(rev 01)

    Quote Originally Posted by brick2 View Post
    lspci -nn -d 14e4:

    08:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
    With all the errors above, the first thing I'd suggest is an update and reinstall the driver. Of course, a wired ethernet connection is required:
    Code:
    sudo apt-get update
    sudo apt-get -y upgrade
    sudo apt-get install --reinstall bcmwl-kernel-source
    Reboot and let us check again:
    Code:
    dmesg | grep wl
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  2. #22
    Join Date
    Jun 2013
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    Droitwich UK
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    Ubuntu

    Re: No Wireless : Broadcom BCM4312 802.11b/g(rev 01)

    Did the update/upgrade and installed bcmwl-kernel-source which seemed successful.
    Output from command after reboot

    dmesg | grep wl

    [26.498618] wl:module licence 'MIXED/Proprietary' taints kernel.
    [26.609677] INFO @wl_cfg80211_attach : Registered CFG80211 phy

    ( This is not a direct copy but should be correct - not up to speed on copying/pasting from terminal yet but found a ref for it)

    Thanks Mike

  3. #23
    Join Date
    Jun 2013
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    Droitwich UK
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    Ubuntu

    Re: No Wireless : Broadcom BCM4312 802.11b/g(rev 01)

    I have a wireless connection !! Brilliant Chili555 !!! Thanks for all your effort - I might take the plunge and remove Windows XP from this Mini Dell - but first I will try a few programs on the dual boot.

  4. #24
    Join Date
    Jul 2013
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    82

    Re: No Wireless : Broadcom BCM4312 802.11b/g(rev 01)

    dmesg | grep wl

    [ 19.703441] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 19.774340] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 231.386605] wl: module license 'MIXED/Proprietary' taints kernel.
    [ 231.422614] INFO @wl_cfg80211_attach : Registered CFG80211 phy
    [ 231.453079] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
    [ 232.041969] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
    [ 252.034304] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
    [ 282.022309] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)

  5. #25
    Join Date
    Jul 2013
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    Re: No Wireless : Broadcom BCM4312 802.11b/g(rev 01)

    So sorry forget the last post forgot to reboot this is the output you should be looking at.


    dmesg | grep wl

    [ 17.896127] wl: module license 'MIXED/Proprietary' taints kernel.
    [ 17.933227] INFO @wl_cfg80211_attach : Registered CFG80211 phy
    [ 19.300875] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
    [ 19.301052] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
    [ 19.944069] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
    [ 25.367307] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
    [ 25.367494] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
    [ 47.484044] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)

  6. #26
    Join Date
    Jan 2006
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    Eastern Oregon USA
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    17
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    Ubuntu 10.10 Maverick Meerkat

    Re: No Wireless : Broadcom BCM4312 802.11b/g(rev 01)

    This worked for me too. Thank you Chili555

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