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Thread: Restoring default video driver (Karmic 9.10)

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  1. #1
    Join Date
    Jun 2009
    Beans
    18

    Restoring default video driver (Karmic 9.10)

    Hi,
    I installed the proprietary nvidia driver through the hardware drivers GUI, now my c840 Dell laptop screen won't boot up. It just remains blanc. I want to restore the driver to the default open-source one which worked.

    Can I do this through the command-line in recovery-mode? Or, how can I start up the desktop in low graphics mode and deactivate the proprietary nvidia driver?

    Thanks,
    Sam

  2. #2
    Join Date
    Apr 2010
    Beans
    29

    Re: Restoring default video driver (Karmic 9.10)

    If you can get a command line in recovery mode - you can edit xorg.conf to load the vesa driver (which is the default before installing drivers) instead of the nvidia one.

    Code:
    # make backup of xorg.conf
    cp /etc/X11/xorg.conf /etc/X11/xorg.conf.bck
    
    # edit xorg.conf
    nano /etc/X11/xorg.conf
    Change the value of the Driver from "nvidia" to "vesa" and try to reboot your computer and see if X loads

    You can also do apt-get purge on the nvidia packages

    I'm not in front of my ubuntu machine right now so the instructions are a little offhand - still, I hope it will do...

  3. #3
    Join Date
    Jun 2009
    Beans
    18

    Re: Restoring default video driver (Karmic 9.10)

    Hi,
    Thanks for your quick reply! I was able to reset to the default driver simply by deleting the xorg.conf as in:
    sudo rm /etc/X11/xorg.conf

    If there is no xorg.conf file, Ubuntu generates a new one.

    Sam

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