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    Disable LCD brightness adjustment in Vista (T60)

    Discussion in 'Lenovo' started by heyguy, Feb 12, 2008.

  1. heyguy

    heyguy Newbie

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    I would like for the LCD brightness to not change when going from AC to battery power. I want to adjust the brightness myself and for Windows to never change it. This was possible in XP, but it doesn't seem so in Vista. Does anyone know if there is a setting for this?

    I have the LCD brightness setting set to "high" in the BIOS, btw.

    Thanks for any help.
     
    heyguy, Feb 12, 2008
    #1
  2. remixity

    remixity Notebook Enthusiast

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    Did you try the Power Options in the Control Panel?
     
    remixity, Feb 13, 2008
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  3. heyguy

    heyguy Newbie

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    Yes. Thanks for the bump.
     
    heyguy, Feb 13, 2008
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  4. Arki

    Arki Super Moderator

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    Arki, Feb 13, 2008
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  5. heyguy

    heyguy Newbie

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    I do have it installed. I don't know where the option is (as far as I know, there isn't one).
     
    heyguy, Feb 13, 2008
    #5
  6. WxAxGxS

    WxAxGxS Notebook Enthusiast

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    It's not an OS option, it's a BIOS option. Go into the BIOS and the setting is in there somewhere... Just take a look around!
     
    WxAxGxS, Feb 13, 2008
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  7. heyguy

    heyguy Newbie

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    I believe I addressed the BIOS option in my original post with the "LCD brightness" setting. If there's something else that I'm not seeing, please let me know.
     
    heyguy, Feb 13, 2008
    #7
  8. Arki

    Arki Super Moderator

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    Do you have PowerMizer Settings in NVIDIA Control Panel?
     
    Arki, Feb 13, 2008
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  9. heyguy

    heyguy Newbie

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    Sorry, I forgot to mention I have an x1400 and am using drivers provided by Microsoft, so don't have ATI software.
     
    heyguy, Feb 13, 2008
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  10. SoopahMan

    SoopahMan Newbie

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    I'm looking to do this as well - I have a Thinkpad T400. Every time the computer wakes up from sleep, wakes up from turning the display off, etc, it goes to whatever the current Power Option's Display Brightness setting was, not the brightness I had adjusted it to. That's really frickin annoying. I have several things I might want to change about my laptop:

    * How much CPU it's allowed to use
    * How often the display turns off or it goes to sleep
    * The display brightness

    These things are mutually exclusive - just because it's night and I want the brightness low, or day and I want the brightness higher, doesn't mean I want my CPU implicitly at full-throttle or my display turning off all the time. They're separate variables and the Power Options scheme assumes they go together. If I could at least disable this annoying "feature" I could separate out the Brightness part.

    There's got to be a way to get Vista to cut the crap on this. It's definitely not part of the Thinkpad software's features (which you're better off disabling anyway - it eats 50mb of RAM, while their wifi manager eats 250mb of RAM - what a waste!). Maybe a Registry Key somewhere?

    My workaround for this right now:

    1) Delete all the power schemes you'll never use

    2) Get the remaining ones tweaked exactly the way you want them in terms of CPU usage and display off

    3) Set all of their brightnesses to max under all conditions

    4) For each tweaked profile make a second one like "<Name> (Dim)" and set the brightness to something low

    You basically end up factoring together all the different possibilities. Lame but it's better than default Vista.
     
    SoopahMan, Sep 25, 2008
    #10