Windows 10: Broken brightness setting and Night Light

Discus and support Broken brightness setting and Night Light in Windows 10 Drivers and Hardware to solve the problem; Hello, Since scheduling night light I'm unable to change screen brightness setting. Night light strength adjustment also not working even in night... Discussion in 'Windows 10 Drivers and Hardware' started by Ponderosaa, Jan 17, 2020.

  1. Broken brightness setting and Night Light


    Hello,


    Since scheduling night light I'm unable to change screen brightness setting. Night light strength adjustment also not working even in night light schedule "off" time. Turning off the schedule switch altogether solves night mode strength lock but global screen brightness still locked, ie the brightness slider moves but screen brightness doesn't change whatsoever ie, broken.


    I've never installed flux etc, only the native night mode on the new surface 7 with up to date windows. Brightness slider worked as expected before scheduling night mode.


    When night light schedule is turned off via switch in settings global brightness slider is still ineffective and broken, it slides to no effect.


    Many thanks for reading.




    Surface Pro 7

    Latest updates

    :)
     
    Ponderosaa, Jan 17, 2020
    #1

  2. Night Light Settings

    Separately from the Night Light, is the brightness options also disabled? If so, I might recommend these steps to make it work again:

    1) Right-click Start button, choose Device Manager

    2) Find the "monitors" section in the list and expand it

    3) Right-click and uninstall every item listed under the monitors section

    ….. note: don't accidentally go to the "display adapter section", leave that one untouched.

    4) Click the "scan for hardware" button on the toolbar up top (the icon with the magnifying glass inside it)

    5) Try brightness and night light settings again
     
    Shawn 'Cmdr' Keene [MVP], Jan 17, 2020
    #2
  3. brightness and night light

    Hello Akinkunmi123,

    I'm Independent Advisor and Microsoft MVP, here to help you with your question.

    To fix brightness issue, refer these suggestions:

    1. Run Power troubleshooter from Settings app > Update & security > Troubleshoot.

    2. Open Device Manager (run devmgmt.msc command), try uninstalling your display adapter and then click Action > Scan for hardware changes.

    3. Update your display driver to latest version.

    To fix issue with Night light, refer this article:

    https://www.kapilarya.com/fix-night-light-not-w...

    Let us know if this helps!

    Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.
     
    Kapil Arya [Directly], Jan 17, 2020
    #3
  4. Broken brightness setting and Night Light

    Night Light Setting and Third Monitor.

    Hi Reagan,

    We would like to ask you some questions in order assist you properly:

    • Did Night light work previously on all three monitors?
    • Have you made any recent changes to your PC?
    • Are you getting an error message on the third monitor regarding Night light?
    • Is the third monitor being detected by your PC?
    • What troubleshooting steps have you performed so far?

    While waiting for your response, we suggest that you try to connect your third monitor to what you are using on the 2 working monitors to see if it is only a loose connection issue.

    Regards.
     
    Rolando Vil, Jan 17, 2020
    #4
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Broken brightness setting and Night Light

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