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Thread: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

  1. #1
    Join Date
    Feb 2019
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    Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Hi,

    I installed Ubuntu 16.04 on my macbook pro few month back, on that time WiFi & Internet both was working fine. From last few day's I am not able to access internet through wifi ( with WLAN its working fine). I tried everything which available on internet including reinstall OS from scratch.

    Can someone help me to solve my issue, please. I am trying from last 5 days but no luck.

  2. #2
    Join Date
    Aug 2011
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    Berlin, Germany
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    Ubuntu Mate 16.04 Xenial Xerus

    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Please run the wireless script from the sticky thread and show the outputs

  3. #3
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    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Please download from here. https://we.tl/t-zXDFrFA8A5

  4. #4
    Join Date
    Feb 2019
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    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Hi, Can you please help.

  5. #5
    Join Date
    Oct 2006
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    55,651

    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Thread moved to the "Apple Hardware Users" forum.

    Might be a better idea to paste the output from the wireless script here instead of forcing others that might be able to help to go to an unknown site.

  6. #6
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    Feb 2019
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    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Hi,

    I am getting below output when doing dmesg | grep wl. Its seems my firmware not correctly installed. please let me know how I can be fix.

    rishabh@rishabh-MacBookPro:~$ dmesg | grep wl
    [ 18.258581] wl: loading out-of-tree module taints kernel.
    [ 18.258585] wl: module license 'MIXED/Proprietary' taints kernel.
    [ 18.259920] wl: module verification failed: signature and/or required key missing - tainting kernel
    [ 18.431753] wlan0: Broadcom BCM4331 802.11 Hybrid Wireless Controller 6.30.223.271 (r587334)
    [ 18.771320] wl 0000:02:00.0 wlp2s0: renamed from wlan0
    [ 27.991558] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
    [ 29.425158] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
    [ 81.565027] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready

  7. #7
    Join Date
    Aug 2011
    Location
    Berlin, Germany
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    Distro
    Ubuntu Mate 16.04 Xenial Xerus

    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    SecureBoot is disabled?

  8. #8
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    Feb 2019
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    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Thank you for reply. Yes its showing me “Secure Boot not enabled on this system”.
    Last edited by kaategikya; 1 Week Ago at 05:59 PM.

  9. #9
    Join Date
    Oct 2008
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    Chicago
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    166
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    Ubuntu 18.04 Bionic Beaver

    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Can you look through this and tell us what you've done/not done for your broadcom?

    https://ubuntuforums.org/showthread.php?t=2214110

  10. #10
    Join Date
    Feb 2019
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    Re: Internet not working in Ubuntu 16 on MacBook Pro with WiFi

    Its showing me

    01:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM57765 Gigabit Ethernet PCIe [14e4:16b4] (rev 10)
    01:00.1 SD Host controller [0805]: Broadcom Corporation BCM57765/57785 SDXC/MMC Card Reader [14e4:16bc] (rev 10)
    02:00.0 Network controller [0280]: Broadcom Corporation BCM4331 802.11a/b/g/n [14e4:4331] (rev 02)

    I installed this package as per instruction " sudo apt-get install firmware-b43-installer" but having same issue.

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