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Thread: Ubuntu on Acer Aspire D250

  1. #1
    Join Date
    Apr 2012
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    11

    Ubuntu on Acer Aspire D250

    Hi Everyone

    I have just installed my 11.10 distro on my netbook the aspire one D250, and it was the most seamless and most amazing experience ever.

    BUT.....

    The netbook keyboard is broken and i am using a USB external keyboard and i can not seam to adjust my screen brightness as it is set by default to the lowest setting.

    I have tried looking up some terminal commands but at no avail. would anyone be able to help ?

  2. #2
    Join Date
    Oct 2011
    Location
    NIPPON (aka Japan)
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    230
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu on Acer Aspire D250

    Hi n00bi,

    Have you tried this?

    1. Open "System Settings" window.
    2. Click on 'Screen' icon.
    3. Adjust Brightness with slider.

    Hope this helps.

  3. #3
    Join Date
    Aug 2011
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    /dev/null
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    96
    Distro
    Ubuntu

    Re: Ubuntu on Acer Aspire D250

    Press [Ctrl] + [Alt] + [F1]. You'll see a black screen with a username prompt at the end. Can you type your username, password, here and make a successful login with your netbook keyboard?

  4. #4
    Join Date
    Apr 2012
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    11

    Re: Ubuntu on Acer Aspire D250

    Yeah, it's not responsive, it just moves right and left and nothing changes.

  5. #5
    Join Date
    Apr 2012
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    11

    Re: Ubuntu on Acer Aspire D250

    I'm not facing a problem logging in, I am only facing a problem with my screen brightness

  6. #6
    Join Date
    Oct 2008
    Location
    Guernsey, Channel Islands
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    438
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu on Acer Aspire D250

    Have a look at the BIOS settings. There is sometimes a setting for the screen brightness there.

  7. #7
    Join Date
    Apr 2012
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    11

    Re: Ubuntu on Acer Aspire D250

    I checked the bios, not even there. and i used some kind of code some soda crap, also couldnt get it to work.

    All i want is to increase the brightness and make it default.

  8. #8
    Join Date
    Apr 2008
    Location
    Australian in Germany
    Beans
    4,010
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Ubuntu on Acer Aspire D250

    What happened when you tried this?


    Quote Originally Posted by kazztan0325 View Post
    Hi n00bi,

    Have you tried this?

    1. Open "System Settings" window.
    2. Click on 'Screen' icon.
    3. Adjust Brightness with slider.

    Hope this helps.
    That wont change the default brightness, but it should let you brighten the screen once you are booted and logged in.

    I'm not sure where the default brightness is. Need to find out myself, actually. When I boot this machine on battery power in daylight, it is so dark I can hardly read it...
    Michael

  9. #9
    Join Date
    Feb 2012
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    el_GR
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    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Ubuntu on Acer Aspire D250

    Quote Originally Posted by n00bi View Post

    All i want is to increase the brightness and make it default.
    For default i don't know , but try this for the brightness effect to work
    Code:
    sudo gedit /etc/default/grub
    Find the line GRUB_CMDLINE_LINUX="" and make it like this GRUB_CMDLINE_LINUX="acpi_osi=Linux" .
    save the document and
    Code:
    sudo update-grub
    and reboot.

    i believe that you must be able then to adjust your brightness. Try and keyboard combination .. i think for acer are Fn + arrow keys . (left - right)
    Last edited by NikTh; April 19th, 2012 at 11:45 PM.

  10. #10
    Join Date
    Apr 2012
    Location
    /Earth/USA/
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    52
    Distro
    Kubuntu

    Re: Ubuntu on Acer Aspire D250

    Quote Originally Posted by NikTh View Post
    For default i don't know , but try this for the brightness effect to work
    Code:
    sudo gedit /etc/default/grub
    Find the line GRUB_CMDLINE_LINUX="" and make it like this GRUB_CMDLINE_LINUX="acpi_osi=Linux" .
    save the document and
    Code:
    sudo update-grub
    and reboot.

    i believe that you must be able then to adjust your brightness. Try and keyboard keys.. i think for acer are Fn + arrow keys . (left - right)
    That should do the trick.

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