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Thread: Unable to connect to Wi-Fi network after upgrade

  1. #11
    Join Date
    Feb 2008
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    Ubuntu 12.04 Precise Pangolin

    Re: Unable to connect to Wi-Fi network after upgrade

    Hi, copy and paste this command in the terminal (ctrl+alt+t) please:
    Code:
     wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script
    It will download a script and create a file named wireless-info.tar.gz in your home folder with wireless information so we can see the condition of your wireless at this time and the Mac address, WPA key and WEP key are removed for your security, then reply back, click on the paper clip and attach the wireless-info.tar.gz file as a zip file.

    If you do not have ethernet either then follow the directions at this link for running the script without internet.
    http://ubuntuforums.org/showpost.php?p=12350385
    Thanks

  2. #12
    Join Date
    Feb 2008
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    Re: Unable to connect to Wi-Fi network after upgrade

    Also please post the contents of:
    Code:
    gksudo gedit /etc/modprobe.d/iwlwifi.conf
    Thanks

  3. #13
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    Feb 2012
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    Re: Unable to connect to Wi-Fi network after upgrade

    Contents of gksudo gedit /etc/modprobe.d/iwlwifi.c't allow me toonf:

    Code:
    options iwlwifi 11n_disable=1
    Attached Files Attached Files

  4. #14
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    Re: Unable to connect to Wi-Fi network after upgrade

    Hi, please do:
    Code:
    gksudo gedit /etc/modprobe.d/iwlwifi.conf
    add
    Code:
    swcrypto=1
    like this
    Code:
    options iwlwifi 11n_disable=1 swcrypto=1
    Then save and close gedit.

    Also if you can ubuntu wireless will work best with wpa2 AES only encryption.

    Set the channel to 1 or 11.
    Reboot
    Thanks
    Last edited by Wild Man; July 3rd, 2013 at 12:46 AM.

  5. #15
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    Feb 2012
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    Re: Unable to connect to Wi-Fi network after upgrade

    That hasn't worked either.

  6. #16
    Join Date
    Feb 2008
    Location
    Texas
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Unable to connect to Wi-Fi network after upgrade

    Hi, did you also do:
    Also if you can ubuntu wireless will work best with wpa2 AES only encryption.

    Set the channel to 1 or 11.
    Thanks

  7. #17
    Join Date
    Feb 2008
    Location
    Texas
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    14,905
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    Ubuntu 12.04 Precise Pangolin

    Re: Unable to connect to Wi-Fi network after upgrade

    Hi, you have some error messages and my research shows to add wd_disable=1
    to
    Code:
    options iwlwifi 11n_disable=1 swcrypto=1
    like this:
    Code:
    options iwlwifi 11n_disable=1 swcrypto=1 wd_disable=1
    by running this command to open the file then add wd_disable=1:
    Code:
    gksudo gedit /etc/modprobe.d/iwlwifi.conf
    then save and close gedit and reboot.
    Thanks

  8. #18
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    Re: Unable to connect to Wi-Fi network after upgrade

    Even after the modification to that file still won't connect to either channel 1 or 11.

  9. #19
    Join Date
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    Location
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    Ubuntu 12.04 Precise Pangolin

    Re: Unable to connect to Wi-Fi network after upgrade

    Okay before we go further please set your wireless settings in network manager to match the screenshots.
    Thanks
    Attached Images Attached Images

  10. #20
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    Feb 2012
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    Re: Unable to connect to Wi-Fi network after upgrade

    Okay.

    IPv6 is set to ignore

    and IPv4 DNS Servers is set yo 8.8.8.8, 8.8.4.4

    With WPA2 AES security and on channel 11

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