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Thread: Brightness control on Toshiba Satellite C660 laptop

  1. #1
    Join Date
    Sep 2008
    Beans
    120

    Brightness control on Toshiba Satellite C660 laptop

    Hello,

    Backlight control does not work on Toshiba Satellite C660 with Ubuntu 10.04 64 bits. Hot keys Fn 6 and Fn 7 are active but have no effect on the brightness of the LCD

    I saw many threads in ubuntufourms and others but nothing worked.

    Please note that I added the line Option "RegistryDwords" "EnableBrightnessControl=1" to the /etc/X11/xorg.conf but it wont work, unlike before I format my PC, there was 2 OS windows and ubuntu, now I formatted and left the Ubuntu only.

    Any cooperation would be appreciated.

    Best regards
    - In a world without walls and fences who needs windows and gates?
    - I am Running Linux.. Finally, my PC is valid & Reliable Hereafter.

  2. #2
    Join Date
    Sep 2008
    Location
    Colorado
    Beans
    Hidden!
    Distro
    Xubuntu

    Re: Brightness control on Toshiba Satellite C660 laptop

    Just a quick thought.

    If you have nvidia video. Did you install the nvidia driver prior to changing your xorg.conf? See this fix, make sure you look at the last two posts. You may also have an nvidia hardware driver available in your "system/administration/hardware drivers" that isn't turned on.

    Good Luck & hope this helps.
    "All change is not growth, as all movement is not forward."
    Ellen Glasgow

  3. #3
    Join Date
    Sep 2008
    Beans
    120

    Re: Brightness control on Toshiba Satellite C660 laptop

    As I said the command of the Option "RegistryDwords" "EnableBrightnessControl=1" was working as well when I had 2 OS but not there is only ubuntu and even that is not working.

    Please note that I installed my driver via shell by applying the following command:

    sudo apt-get install nvidia-glx
    sudo lsmod | grep -i nvidia
    nvidia 10833082 43

    Although the following command is not helpful because it effect the RGB colour, in other word if I go to youtube it appear the video in blank.

    xgamma -gamma 1
    Any other assistance would be appreciated.
    - In a world without walls and fences who needs windows and gates?
    - I am Running Linux.. Finally, my PC is valid & Reliable Hereafter.

  4. #4
    Join Date
    Sep 2008
    Beans
    120

    Re: Brightness control on Toshiba Satellite C660 laptop

    any updates please
    - In a world without walls and fences who needs windows and gates?
    - I am Running Linux.. Finally, my PC is valid & Reliable Hereafter.

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