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Thread: Cannot change screen brightness with 10.4

  1. #21
    Join Date
    Jul 2010
    Beans
    3

    Re: Cannot change screen brightness with 10.4

    Dell vostro 3500 with nvidia 310m. Backlight not working, does anybody found solution?

  2. #22
    Join Date
    Oct 2009
    Beans
    2

    Re: Cannot change screen brightness with 10.4

    Their is a tip to adjust the brightness.
    Edit your xorg.conf :
    $ sudo gedit /etc/X11/xorg.conf
    add this line in the device section :
    Option "RegistryDwords" "EnableBrightnessControl=1"
    Log out then log in, it should work

    I test this tip on a Dell Vostro 3500 whith ubuntu 10.04 using nvidia driver 195.36.24 and it's working.

  3. #23
    Join Date
    May 2010
    Location
    iran
    Beans
    57
    Distro
    Edubuntu 12.04 Precise Pangolin

    Re: Cannot change screen brightness with 10.4

    try to adjust with smartdimmer program


    type in console :
    Code:
    smartdimmer -s 90
    for 90% of brightness

    minimum is 15 maximum is 100

  4. #24
    Join Date
    Feb 2010
    Beans
    16

    Re: Cannot change screen brightness with 10.4

    this worked for me: it's the same solution as from Mick54. Thanks mick! It's an issue with the proprietary NVIDIA drivers.

    from http://ubuntuforums.org/showthread.p...79#post9494941

    Quote Originally Posted by BennBuntu View Post
    [...] Have to add
    Code:
    Option "RegistryDwords" "EnableBrightnessControl=1"
    to your /etc/X11/xorg.conf under devices section. Make sure the quotation marks are the same as if you type them.

  5. #25
    Join Date
    Jun 2009
    Beans
    63

    Re: Cannot change screen brightness with 10.4

    Solved when I installed 10.10
    The guy who said "there is no such thing as a free lunch" must have been a windows user!

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