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Thread: 10.04 - Backlight not adjustable on Acer Aspire One

  1. #11
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    Quote Originally Posted by utilitytrack View Post
    to Gaygerbil and others

    Code:
    # echo 0 > /sys/class/backlight/acpi_video0/brightness
    Did you run this command from root? Do you sure that not from sudo but from root, yes?
    How would I run that command as root?

    <- Linux Newb.

  2. #12
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    Ha! Did you wish become a root? Remember that it dangerous. How to: https://help.ubuntu.com/community/RootSudo
    Debian GNU/Linux user

  3. #13
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    Quote Originally Posted by Gaygerbil View Post
    I'm assuming he's using 10.04 Netbook like I am for my netbook, which in case the brightness applet doesn't work for me. It'll show up when added to the panel but I can't adjust the settings on it, it's also like this for my Gf's laptop who runs 10.04 Netbook on another version of this laptop.

    Also my brightness notification no longer works, halpz.
    Yes, it doesn't work for me, either. I was hoping it would work for you. I'll go look for more.
    Quote Originally Posted by utilitytrack View Post
    Ha! Did you wish become a root? Remember that it dangerous. How to: https://help.ubuntu.com/community/RootSudo
    What is funny about it? I don't think you would give him knowingly a dangerous command. Right click applications, then click edit menus. Go down to system tools and click the check next to root terminal. Close that window and go to Applications>System Tools>Root Terminal. Then copy and paste that code their. Am I right?
    Last edited by corrytonapple; August 7th, 2010 at 03:29 PM.
    --Corrytonapple----
    [Toshiba L455-S5008] [Intel Pentium 2.4GHz Procesor]
    [250GB HDD;4GB RAM] [Debian Wheezy 7.0 with GNOME 3][Fedora 16]

  4. #14
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    Well the brightness notification thing randomly showed up one time I was putting up my brightness and I got all excited but I just tried it now and it's still not showing.

    Edit:

    I think I figured out what's going on with my brightness notification, it also happens with power settings it's cuz I'm using the battery applet and having hte icon for power manager off. Is there a way to have the icon off but the notifications still appear?
    Last edited by Gaygerbil; August 12th, 2010 at 06:46 PM.

  5. #15
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    I'm having a similar problem with my Acer Aspire 5732Z. The Fn left and right arrow keys bring up a notification that the brightness has been changed, and they also change the value in /sys/class/backlight/acpi_video0/brightness, but the backlight brightness never actually changes, it just stays fully bright. Any ideas what might cause this?

  6. #16
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    Quote Originally Posted by SafetyScissors View Post
    I'm having a similar problem with my Acer Aspire 5732Z. The Fn left and right arrow keys bring up a notification that the brightness has been changed, and they also change the value in /sys/class/backlight/acpi_video0/brightness, but the backlight brightness never actually changes, it just stays fully bright. Any ideas what might cause this?
    I guess this will fix your problem as well:

    https://bugs.launchpad.net/ubuntu/+s...ux/+bug/568611

    Why does it take so long to push this it into the main kernel?

  7. #17
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    I went to think link at Launch pad and it comes up as a bad link. I am still trying to fix this. I have the same issue as stated previously - the backlight notification says that I am adjusting it, but the screen brightness doesn't change. I have tried several suggestions with no success yet. I am just squinting at night time, my laptop is so bright. Thanks for everyone's help!!

  8. #18
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    Quote Originally Posted by npattillo View Post
    I went to think link at Launch pad and it comes up as a bad link. I am still trying to fix this. I have the same issue as stated previously - the backlight notification says that I am adjusting it, but the screen brightness doesn't change. I have tried several suggestions with no success yet. I am just squinting at night time, my laptop is so bright. Thanks for everyone's help!!
    Search for kamal and i915 on launchpad, you will find a ppa with a new Kernel with patches...

  9. #19
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    Quote Originally Posted by tito_torrisi View Post
    Search for kamal and i915 on launchpad, you will find a ppa with a new Kernel with patches...
    Thanks! I will try it and re-post as to any success that I have.
    Nathan Patttillo
    Author of "Alien Faith"
    A modern day sci-fi adventure
    https://sites.google.com/site/alienfaithbook/

  10. #20
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    Re: 10.04 - Backlight not adjustable on Acer Aspire One

    Quote Originally Posted by npattillo View Post
    Thanks! I will try it and re-post as to any success that I have.
    Fixed kernel available, check the launchpad bug report again!!

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