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Thread: turn off display backlight on ubuntu server

  1. #1
    Join Date
    Dec 2008
    Beans
    34

    turn off display backlight on ubuntu server

    Hello, I have a dell xps laptop running Ubuntu Server 8.10. I can't figure out how to turn the display's backlight off. Can anyone help?

    thank you very much!

  2. #2
    Join Date
    Apr 2009
    Beans
    1

    Re: turn off display backlight on ubuntu server

    I was looking to turn off the LCD backlight on a Dell Inspiron 2650 running Ubuntu Server 8.04.2. I found: http://www.installationexperiences.c...ight-with.html
    I tested by connecting to the laptop via SSH and doing
    1. sudo apt-get install vbetool
    2. sudo vbetool dpms off
    3. sudo vbetool dpms on
    4. sudo vbetool dpms off
    I'm pretty new to Linux, so I don't know what the side effect to this are, but I'm happy so far, and hope this helps.

  3. #3
    Join Date
    Dec 2008
    Beans
    34

    Re: turn off display backlight on ubuntu server

    Hi 2buntu, although I've noticed that it actually turns itself off after a while, thanks for the reply and vbetool works great! good to know.

  4. #4
    Join Date
    Mar 2009
    Location
    Buenos Aires, AR
    Beans
    2,325
    Distro
    Ubuntu

    Re: turn off display backlight on ubuntu server

    xset dpms force off

    (without installing nothing)

  5. #5
    Join Date
    Dec 2008
    Beans
    34

    Re: turn off display backlight on ubuntu server

    Quote Originally Posted by juancarlospaco View Post
    xset dpms force off

    (without installing nothing)
    that does not work. Unlike vbetool, xset is a "X" level utility. vbetool is already in all my systems by default(Intrepid, 8.10 desktop & server, Mint Felicia 64-bit), so I didn't have to install anything.

  6. #6
    Join Date
    Aug 2007
    Location
    Nova Scotia, Canada
    Beans
    2
    Distro
    Ubuntu 10.04 Lucid Lynx

    Smile Re: turn off display backlight on ubuntu server

    The added benefit of using xset is you don't have to use sudo to get the access to shut down the monitor.

  7. #7
    Join Date
    Nov 2009
    Location
    The Dead British Empire
    Beans
    114
    Distro
    Ubuntu

    Re: turn off display backlight on ubuntu server

    Thanks, the information here helped me out too, cheers.
    Windows is my Secretary | OSX is my Girlfriend | GNU/Linux is my Wife - It's as simple as traffic lights! ;D

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