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Thread: Keyboard Keys - Brightness Control

  1. #1
    Nokia 7110 to iPhone 5 Reputation club_pranay's Avatar
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    General Keyboard Keys - Brightness Control

    I have a Sony Vaio VGN series Laptop. Originally shipped with Windows 7 x64 Home Edition(OEM). It had Fn keys combination to control volume and brightness. A nice overlay would show up on the screen to show current levels
    Fn + F3: Volume Down
    Fn + F4: Volume Up
    Fn + F5: Brightness Down
    Fn + F6: Brightness Up

    Few months back, after a HDD failure I had to install Windows 7 professional(Retail). Now, even after installing all the Sony Vaio drivers, the brightness control is totally disabled. Volume control works but without any onscreen overlay.

    Latest Update: Recently I Purchased windows 8. Now the volume control has a different overlay(on the top left part) but brightness control is still not working.
    Any Ideas on how to fix this?
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    Sony " VA" "IO" Reputation kARTechnology's Avatar
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    General Re: Keyboard Keys - Brightness Control

    Quote Originally Posted by club_pranay View Post
    I have a Sony Vaio VGN series Laptop. Originally shipped with Windows 7 x64 Home Edition(OEM). It had Fn keys combination to control volume and brightness. A nice overlay would show up on the screen to show current levels
    Fn + F3: Volume Down
    Fn + F4: Volume Up
    Fn + F5: Brightness Down
    Fn + F6: Brightness Up

    Few months back, after a HDD failure I had to install Windows 7 professional(Retail). Now, even after installing all the Sony Vaio drivers, the brightness control is totally disabled. Volume control works but without any onscreen overlay.

    Latest Update: Recently I Purchased windows 8. Now the volume control has a different overlay(on the top left part) but brightness control is still not working.
    Any Ideas on how to fix this?
    Are you able to change brightness from control panel?


    I had a vgn series laptop with vista and installed 7, it was very difficult for me to get fn keys working but I got it working and maybe I can help you
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    BMG ftw!! Reputation d6bmg's Avatar
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    General Re: Keyboard Keys - Brightness Control

    Install keyboard hotkey driver. It should b included in the driver bundle. Or download it from product's official page.

  4. #4
    Been There, Done That!! Reputation ShankJ's Avatar
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    General Re: Keyboard Keys - Brightness Control

    Quote Originally Posted by d6bmg View Post
    Install keyboard hotkey driver. It should b included in the driver bundle. Or download it from product's official page.
    .. You can even try from the battery settings option..
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    Nokia 7110 to iPhone 5 Reputation club_pranay's Avatar
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    General Re: Keyboard Keys - Brightness Control

    Quote Originally Posted by kARTechnology View Post
    Are you able to change brightness from control panel?


    I had a vgn series laptop with vista and installed 7, it was very difficult for me to get fn keys working but I got it working and maybe I can help you
    Yes. I can control the brightness through settings. Let me know what you did. I appreciate your help.

    Quote Originally Posted by d6bmg View Post
    Install keyboard hotkey driver. It should b included in the driver bundle. Or download it from product's official page.
    I particularly installed the VAIO® Event Service and its subsequent updates from the driver's page. nothing helped

    I am going to try this tutorial (http://blog.komeil.com/2009/07/fn-f5...sony-vaio.html) i'll update if it helped.

    Thanks guys
    Last edited by club_pranay; 09-02-2013 at 08:06 PM.
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    BMG ftw!! Reputation d6bmg's Avatar
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    General Re: Keyboard Keys - Brightness Control

    Then you may try to reinstall them and see what happens.

  7. #7
    Nokia 7110 to iPhone 5 Reputation club_pranay's Avatar
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    General Re: Keyboard Keys - Brightness Control

    Quote Originally Posted by d6bmg View Post
    Then you may try to reinstall them and see what happens.
    I did it.
    Problem Solved!!
    Here's what i did.
    Key is to install these in the EXACT order.
    1. Sony Firmware Extension Parser Device Driver (SODOTH)
    2. Sony Shared Library (SOASSL)
    3. Setting Utility Series (SOASUS)/VAIO Event Service (SOAVES)

    Here's what Sony eSupport website says on the Sony® Notebook Utilities download page:
    Sony® Shared Library: Unless stated otherwise, this file must be installed BEFORE the Sony® Notebook Utilities in order for it to work properly. This update is required if you have performed a clean install of the Windows 7 operating system (i.e., installed from a commercial, off-the-shelf, version rather than using the Recovery Wizard or Recovery Media).
    Thanks guys
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