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Thread: Asus Zenbook UX32VD, how to turn off keyboard backlight and adjust brightness?

  1. #1
    Join Date
    Aug 2012
    Beans
    12

    Asus Zenbook UX32VD, how to turn off keyboard backlight and adjust brightness?

    I'm having a battery issue. When my battery is fully charged, i only got 2:30 hours before it's empty again... Asus says battery should hold 4-5 hours under normal use, but I only get as said 2:30 hours. Anyway, since I got such a crappy battery I need to somehow "make" it use less power. I can't be bothered returning the laptop, because I've upgraded both RAM and to SSD.

    How can I turn off backlight for keyboard (fn+f2 does not work in ubuntu)

    How can I adjust screen brightness, is there any program you recommend?

    All this is to reduce power use, if anyone know about something else i should try to reduce the use of power, please tell me

  2. #2
    Join Date
    Apr 2010
    Beans
    8

    Re: Asus Zenbook UX32VD, how to turn off keyboard backlight and adjust brightness?

    Here is some instructions I followed to enable brightness controll when using nvidia-current driver:
    .All you need to do is:

    sudo gedit /etc/X11/xorg.conf find segment like this:
    Section "Device"
    Identifier "Default Device"
    Driver "nvidia"
    Option "NoLogo" "True"
    EndSection

    change it to:

    Section "Device"
    Identifier "Default Device"
    Driver "nvidia"
    Option "NoLogo" "True"
    Option "RegistryDwords" "EnableBrightnessControl=1"
    EndSection

    Then restart,It will work.


    I don't know anything about the keyboard backlight, but as they are problably small leds, I don't believe they take up too much battery.

    However a great way to say battery, is by using Jupiter.

    Jupiter is an easy way to handle CPU profiles (such as powersafe, performance, on-demand)
    read more about jupiter here:
    http://www.ubuntugeek.com/jupiter-li...tml#more-13276
    Last edited by ActionpackedPIVII; August 13th, 2012 at 08:31 PM.

  3. #3
    Join Date
    Jan 2013
    Beans
    1

    Re: Asus Zenbook UX32VD, how to turn off keyboard backlight and adjust brightness?

    On quantal at least you can run this command to turn off the keyboard backlight...

    echo 0 | sudo tee /sys/class/leds/asus::kbd_backlight/brightness

    See also: https://help.ubuntu.com/community/AsusZenbookPrime

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