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Thread: internet connection problems after fresh install of Ubuntu 12.04 LTS

  1. #11

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    I don't have an optical drive. This image installed fine in my laptop.

  2. #12

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    I just can't understand why it connects for a few seconds and then disconnects. It must have been some kind of firmware issue that is left over from my failed Debian install. Can I force it to stay connected?, is there a way to wipe all of the network settings for the hardline, and the wireless, and try reformatting them?

  3. #13
    Join Date
    Apr 2012
    Beans
    6,415

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    The other thread you found is afaik an issue specific to Intel devices (iwlwifi driver)

    It looks like the driver is loading and (as you pointed out) the wireless scan is finding networks - so the question is why it is not able to stay connected (or 'associated') with your particular access point - you may find some useful messages in the dmesg log e.g.

    Code:
    dmesg | grep wlan0
    Your wired device appears to be another Realtek, it *may* be picking up the wrong driver (r8169 versus r8168)

  4. #14

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    [ 2.741201] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 2.742536] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 5.317017] wlan0: authenticate with 00:26:f2:92:64:da
    [ 5.326687] wlan0: Wrong control chanel: center-freq: 2462 ht-cfreq: 0 ht->
    primary_chan: 15 band: 0. Disabling HT.
    [ 5.336784] wlan0: direct probe to 00:26:f2:92:64:da (try1/3)
    [ 5.540324] wlan0: direct probe to 00:26:f2:92:64:da (try2/3)
    [ 5.744137] wlan0: direct probe to 00:26:f2:92:64:da (try3/3)
    [ 5.947915] wlan0: authentication with 00:26:f2:92:64:da timed out

  5. #15

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    Out of desperation I tried a reinstall from the same USB. Same problems as before, no usb ports, attempts to connect to the internet every 10-15 seconds or so, both wired and wireless. It was even doing so during install (at the connect to Internet to install 3rd party software stage.) I am at a loss. *also, I did discover that I can in-fact use my mouse if I plug it into one of the usb 3.0 prts in the back. ***Then I tried a usb in the same port and it worked!!!! So, In theory, I can download files onto my laptop, load them on the usb, and put them on the computer. Don't know why that happened after re-install, but anything I can do with it?
    Last edited by jakacitizenoftheearth; June 16th, 2013 at 04:27 AM.

  6. #16

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    Is there perhaps some sort of step-by step Internet terminal set up that I can do?

  7. #17
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    15,821
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    Thread moved to Networking & Wireless.

  8. #18
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    15,821
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    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

  9. #19

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    I downloaded the script to a usb. When I try to turn it into an exe file via: properties> make executable , it does not allow me to change it. I can open the file in gedit, but I can't save it as exe.


    *Sorry. I still had it on the USB. I put it on the desktop and was able to do so.
    Last edited by jakacitizenoftheearth; June 16th, 2013 at 10:36 PM.

  10. #20

    Re: internet connection problems after fresh install of Ubuntu 12.04 LTS

    delete me
    Last edited by jakacitizenoftheearth; June 16th, 2013 at 10:48 PM. Reason: attached file in next reply

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