Windows 8 and 8.1 Forums


Adaptive Brightness - Turn On or Off in Windows 8

  1. #80


    Posts : 15
    8.1


    Unlike everyone else's, mine is stuck in being disabled and I can't get it to turn on. The Sensor service is running and set to automatic, the active power plan has adaptive brightness enabled and the driver Windows needs for this laptop's power features is installed (I can manually dim the screen and such). Lenovo Thinkpad Edge E531. Is this a common thing with a solution I'm just not finding, or is this one of those annoying 1-in-a-billion things that just doesn't happen?

      My System SpecsSystem Spec

  2. #81


    Posts : 22,577
    64-bit Windows 10


    Hello Marnes,

    Since you have an OEM PC, I'm betting the issue is the Lenovo Power Management program is set to have it disabled and is overriding Windows settings. Double check in your Apps screen for this program, and open it (if there) to see what it may be set at for this setting.
      My System SpecsSystem Spec

  3. #82


    Posts : 15
    8.1


    Quote Originally Posted by Brink View Post
    Hello Marnes,

    Since you have an OEM PC, I'm betting the issue is the Lenovo Power Management program is set to have it disabled and is overriding Windows settings. Double check in your Apps screen for this program, and open it (if there) to see what it may be set at for this setting.
    That's the weird thing, I thought something like that too but it's a driver with no UI of any kind. :/

    Edit: ah, wait, that power manager thing has separate driver and UI downloads. I've got the UI too now, but it contains no settings related to adaptive brightness unfortunately.
      My System SpecsSystem Spec

  4. #83


    Posts : 22,577
    64-bit Windows 10


    Look for any power saving options, and disable them to see if that was causing it.
      My System SpecsSystem Spec

  5. #84


    Posts : 15
    8.1


    Quote Originally Posted by Brink View Post
    Look for any power saving options, and disable them to see if that was causing it.
    Everything is set to max performance, I don't use power saving features.
      My System SpecsSystem Spec

  6. #85


    Posts : 22,577
    64-bit Windows 10


    In that case, see if uninstalling the Lenovo Power Management may allow your Adaptive Brightness settings to work properly.
      My System SpecsSystem Spec

  7. #86


    Posts : 15
    8.1


    Quote Originally Posted by Brink View Post
    In that case, see if uninstalling the Lenovo Power Management may allow your Adaptive Brightness settings to work properly.
    If I uninstall the driver, I can't adjust the screen brightness anymore. I've already removed the GUI program again.
      My System SpecsSystem Spec

  8. #87


    Posts : 22,577
    64-bit Windows 10


    Since you have Intel HD 4000 integrated graphics, check OPTION FOUR to see if that may be it.
      My System SpecsSystem Spec

  9. #88


    Posts : 15
    8.1


    Quote Originally Posted by Brink View Post
    Since you have Intel HD 4000 integrated graphics, check OPTION FOUR to see if that may be it.
    My control panel looks quite different and doesn't have quite the same options, but I'll try messing around with them again.

    It'd be great if manufacturers like Intel started making better software (I'm not happy about their drivers at all) and stopped obfuscating everything. "Display power saving" for example can mean anything. All because they try to make everything available to people who can't handle any of it and therefore need that obfuscation. Obfuscating everything into meaningless terms doesn't even help either end of the spectrum of users, it just confuses everyone even more. They should just be straight forward about everything,

    I'm trying different combos of the settings, switching between cable and battery, darkening and lighting the room, but I'm not seeing anything happen at all.


    Edit: these are my power options:

    Click image for larger version

    Click image for larger version
    Last edited by Brink; 13 Dec 2014 at 10:55. Reason: uploaded and attached your images
      My System SpecsSystem Spec

  10. #89


    Posts : 22,577
    64-bit Windows 10


    Disable the "Display Power Saving Technology" setting for both "Plugged In" and "On Battery".
      My System SpecsSystem Spec

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Adaptive Brightness - Turn On or Off in Windows 8
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