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Thread: stuck in low grapics mode

  1. #1
    Join Date
    Aug 2012
    Beans
    62

    stuck in low grapics mode

    hi everyone i want to ask how to fix ubuntu in low graphics mode, after yesterday update my computer is showing that error i've try dpkg-reconfigure unity-greeter,light dm ,apt-get purge fglrx (all in sudo) but nothing happen even when i try to go to liveCD it just showing random pixel color i'm using HD5570 , BUT when i put my old nvidia 7300 it works like nothing happen, i have dual boot when i go to windows with my ati it still working i assume the HD hardware is not my prob anyone can fix this?

  2. #2
    Join Date
    Jun 2007
    Location
    China
    Beans
    988
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: stuck in low grapics mode

    Sorry but I'm guessing and my guess is that if you have removed the fglrx driver, then you are using the opensource driver and it has a problem with your video card. I suggest you start in recovery mode and pick the safe graphics option. Once you have logged in you try using the Additional drivers tool, install the driver and reboot.

    Hopefully it will be OK - If that doesn't work remove the propriatory driver start again and select a different version of the driver.

  3. #3
    Join Date
    Aug 2012
    Beans
    62

    Re: stuck in low grapics mode

    no, the problem start when the fglrx still installed and in tty i remove it hoping the prob will fix but it didn't happen, one more thing i cannot go to the desktop with my ati so i can't istall additional driver.

  4. #4
    Join Date
    Jun 2007
    Location
    China
    Beans
    988
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: stuck in low grapics mode

    Can't you start up in recovery mode, then pick failsafe X and then login in?

  5. #5
    Join Date
    Aug 2012
    Beans
    62

    Re: stuck in low grapics mode

    i can't do that when i do it its just show low graphic mode and back to tty

  6. #6
    Join Date
    Aug 2005
    Beans
    5,990

    Re: stuck in low grapics mode

    Quote Originally Posted by hnf a View Post
    i can't do that when i do it its just show low graphic mode and back to tty
    From grub you can edit the kernel line adding nomodeset, you can also try adding nomodeset in conjunction with removing quiet & splash which should allow you to boot to shell from where you can manually install the drivers.

  7. #7
    Join Date
    Aug 2012
    Beans
    62

    Re: stuck in low grapics mode

    thaks very much its working by installing the ati beta driver and the unity 3d is BACK

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