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Thread: graphical way of changing backlight? 11.10

  1. #1
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    graphical way of changing backlight? 11.10

    I have tried messing with my xorg.conf. I have tried xbacklight. I have tried using dodgy bash scripts i found on the tubes of the internet. I have not yet found a way to turn my goddamn laptop's screen brightness down!!! Its stuck on max and i have 30 mins battery life!

    I have heard tales of a mythical "slider" in display settings but i have found no such "slider".
    It is probably obvious, but i'm sure theres a solution!

    Thanks in advance.
    Registered Ubuntu user #34794
    Registered Linux user #551518

  2. #2
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    Re: graphical way of changing backlight? 11.10

    Hi

    Have you looked in "system settings" (top right icon) then "screen"? If not, there is normally a key set FN+F? to adjust brightness on laptops....
    Acer Aspire 1353 Bodhilinux 2.4.0
    Toshiba A200 14.04(64 bit)
    Asus EeePC 1011PX 14.04 (32 bit) dual boot W7

  3. #3
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    Re: graphical way of changing backlight? 11.10

    Should be easy...use your laptop's "F" keys.

    Mine are "f2" for less, "f3" for more light!


  4. #4
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    Re: graphical way of changing backlight? 11.10

    There seem to be a number of us with issues regarding screen brightness. Check out the following threads to see if they help you.

    http://ubuntuforums.org/showthread.php?p=11505626
    http://ubuntuforums.org/showthread.php?t=1882469

  5. #5
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    Re: graphical way of changing backlight? 11.10

    Quote Originally Posted by JazzPotato View Post
    I have tried messing with my xorg.conf. I have tried xbacklight. I have tried using dodgy bash scripts i found on the tubes of the internet. I have not yet found a way to turn my goddamn laptop's screen brightness down!!! Its stuck on max and i have 30 mins battery life!

    I have heard tales of a mythical "slider" in display settings but i have found no such "slider".
    It is probably obvious, but i'm sure theres a solution!

    Thanks in advance.
    Install the Compiz Configuration Settings Manager package from the Software Center. Then open the Compiz dialog through Dash, and scroll down to the Ubuntu Unity Plugin. Then, find - Behaviour > Experimental > Backlight Mode, and you find the available backlight options.

  6. #6
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    Re: graphical way of changing backlight? 11.10

    <removed duplicate post>
    Last edited by OrangeCrate; December 2nd, 2011 at 03:12 PM.

  7. #7
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    Re: graphical way of changing backlight? 11.10

    Hi,

    OrangeCrate, I think thats just the backlighting for the launcher icons...
    Acer Aspire 1353 Bodhilinux 2.4.0
    Toshiba A200 14.04(64 bit)
    Asus EeePC 1011PX 14.04 (32 bit) dual boot W7

  8. #8
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    Re: graphical way of changing backlight? 11.10

    Quote Originally Posted by roger_1960 View Post
    Hi,

    OrangeCrate, I think thats just the backlighting for the launcher icons...
    Oops, you're absolutely right. Sorry for any confusion...

  9. #9
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    Re: graphical way of changing backlight? 11.10

    And xbacklight did not work for you? I use xbacklight under fluxbox, bound to some keys, and it works very well. Simple dimming:

    Code:
    xbacklight -set 75
    and restore to maximum:

    Code:
    xbacklight -set 100
    Should be able to bind something like this to keys under your window manager too?
    You think that's air you're breathing now?

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