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Thread: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

  1. #1
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    Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Ello ubuntuforums! How are we today? My laptop running Ubuntu 12.04 seems to have caught the lightdm not working, booting in low graphics mode bug, as seen here:
    https://bugs.launchpad.net/ubuntu/+s...ti/+bug/495973
    I am having the same problem that this guy is having. When I did my daily updates on April 8, i had to reboot. So, i did. When it started again, i came to the "Low graphics boot screen" That said something about my graphics not being configured or something. So, for a temporary fix, i switched to gdm. None of the other methods that i read about worked. Thing is, i really need lightdm back. Without it, no gaming. I haven't played Minecraft for the last two-three weeks, and i don't think i can live much longer without it. Anyone have any ideas on fixing it?
    GPU: AMD ATI Radeon x2300
    CPU: Duo Core intel 2.2 ghz
    Hard Drive: Solid state 30gb
    Brand: Compaq 6910p HP Laptop
    DISTRO: Ubuntu 12.04 Precise Pangolin

    If you have any questions, just ask.
    Last edited by linux junkie; April 21st, 2013 at 09:43 PM.

  2. #2
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Hi

    What have you tried so far to fix it ?

    Have you seen this ?

    http://askubuntu.com/questions/14160...ics-mode-error

    Kind regards
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  3. #3
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Yes, i have tried those methods. When i did
    sudo nano /etc/lightdm/lightdm.conf
    The line was already like it said it needed to be changed to. I have tried to re-install fglrx, and i couldn't find my graphics drivers on the support page. It is way too confusing. I chose notebook, and it brings up a whole list of options i don't know. I tried all of them, and none seem to have my graphics card. I guess i could retry the conf. one... If someone could assist me with finding the correct driver, that would be great.
    Last edited by linux junkie; April 20th, 2013 at 03:22 PM.

  4. #4
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Hi

    First some information about the open source radeon and the closed source binary blob made by AMD.

    https://help.ubuntu.com/community/BinaryDriverHowto/ATI
    https://help.ubuntu.com/community/RadeonDriver

    Don't go to the AMD website to get the drivers unless you have to. Get them from the repository.

    You're not using windows now

    https://help.ubuntu.com/community/BinaryDriverHowto/ATI

    Use this guide immediately above. Follow the steps for installing by the command line 2.1.

    Very simple, just copy the terminal commands into the terminal one after another hitting <enter> after each one.

    Reboot each time you are told to.

    Any problems then post back.

    Kind regards
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  5. #5
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Do not follow the directions in the last post. Modern versions of fglrx (ones that actually run in 12.04) do not support Radeon X2300, so you should remove it, and that will probably fix your system: http://wiki.cchtml.com/index.php/Ubu...talyst.2Ffglrx

    If you're still stuck in low-graphics mode after rebooting, post your /var/log/Xorg.0.log

  6. #6
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Hi

    Quote Originally Posted by Temüjin View Post
    Do not follow the directions in the last post. Modern versions of fglrx (ones that actually run in 12.04) do not support Radeon X2300, so you should remove it, and that will probably fix your system: http://wiki.cchtml.com/index.php/Ubu...talyst.2Ffglrx

    If you're still stuck in low-graphics mode after rebooting, post your /var/log/Xorg.0.log
    Is that so ? The OP must have been mistaken when he said he used fglrx before then (unless i misread his post. it does happen).

    I did link in the open source drive page just in case he needed it.

    If your right then thank you as you have saved us time and work.

    Kind regards
    Join us on irc at #ubuntuforums. For web chat see here

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  7. #7
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Quote Originally Posted by matt_symes View Post
    Hi



    Is that so ? The OP must have been mistaken when he said he used fglrx before then (unless i misread his post. it does happen).

    I did link in the open source drive page just in case he needed it.

    If your right then thank you as you have saved us time and work.

    Kind regards
    I think Tumujin is correct, and that may be the reason that it didn't work when i tried it.

  8. #8
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Quote Originally Posted by Temüjin View Post
    Do not follow the directions in the last post. Modern versions of fglrx (ones that actually run in 12.04) do not support Radeon X2300, so you should remove it, and that will probably fix your system: http://wiki.cchtml.com/index.php/Ubu...talyst.2Ffglrx

    If you're still stuck in low-graphics mode after rebooting, post your /var/log/Xorg.0.log
    It may just be me, but i think the link may be broken. It isn't working for me. I did try this though: http://www.thefanclub.co.za/how-to/u...talyst-install And the steps that it said should happened, it said that i found a compatible driver, and installed it. Any ideas to see if it actually installed a driver?

  9. #9
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Hi

    Quote Originally Posted by linux junkie View Post
    I think Tumujin is correct, and that may be the reason that it didn't work when i tried it.
    Ahh. That makes perfect sense then. I make a note of that graphics card for my future reference.

    Please try not to use words like reinstall unless you did reinstall I don't have time to check everything

    Thanks again Tumujin. You're a star.

    Kind regards
    Last edited by matt_symes; April 21st, 2013 at 05:13 PM.
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  10. #10
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    Re: Lightdm No Longer working, Low Graphics Error. How Do I Fix?

    Hi

    Quote Originally Posted by linux junkie View Post
    It may just be me, but i think the link may be broken.
    This is the meat of that link. It's an instruction on how to uninstall the catalyst driver.

    The uninstall script in the first command will only exist if you downloaded the drivers and installed them directly (rather than building packages as this guide does). Skip the first command if it does not exist.

    Code:
    sudo sh /usr/share/ati/fglrx-uninstall.sh 
    sudo apt-get remove --purge fglrx fglrx_* fglrx-amdcccle* fglrx-dev*
    If you plan on using open-source drivers, you will need to reinstall some packages because Catalyst overwrites or diverts some key 3D libraries with proprietary versions. For more information on this issue, see this Ubuntu wiki page

    Code:
    sudo apt-get remove --purge xserver-xorg-video-ati xserver-xorg-video-radeon sudo apt-get install xserver-xorg-video-ati sudo apt-get install --reinstall libgl1-mesa-glx libgl1-mesa-dri xserver-xorg-core sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.backup sudo rm -rf /etc/ati

    If you receive

    $ E: Internal Error, No file name for libgl1-mesa-dri Change the third command above to:

    Code:
    sudo apt-get install --reinstall libgl1-mesa-glx:i386 libgl1-mesa-glx:amd64 libgl1-mesa-dri:i386 libgl1-mesa-dri:amd64 xserver-xorg-core
    It isn't working for me. I did try this though: http://www.thefanclub.co.za/how-to/u...talyst-install And the steps that it said should happened, it said that i found a compatible driver, and installed it. Any ideas to see if it actually installed a driver?
    This may give some indication.

    Code:
    dpkg -l | egrep "fglrx|catalyst"
    You need to uninstall the fglrx driver.

    Kind regards
    Last edited by matt_symes; April 21st, 2013 at 05:11 PM.
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