Turn On or Off Night Light in Windows 10

    Turn On or Off Night Light in Windows 10

    How to Turn On or Off Night Light in Windows 10
    Published by Category: General Tips
    09 Jun 2017
    Designer Media Ltd

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    Brink's Avatar
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    Posts: 25,183

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    How to Turn On or Off Night Light in Windows 10

    information   Information
    Screens emit blue light, which can keep you up at night. Night light displays warmer colors to help you sleep.

    Starting with Windows 10 build 15002, you can now turn on or off blue light reduction.

    Starting with Windows 10 build 15014, Microsoft has adjusted the animation when lowering blue light to be a bit smoother. They also made some polish tweaks to Blue Light Settings with more coming soon.

    Starting with Windows 10 build 15019, the "blue light" feature has been renamed to night light to make it more accurately reflect what the feature does. Microsoft made some improvements to the night light feature that lets you preview the setting before applying it.

    Starting with Windows 10 build 15025, the night light color temperature range has been extended to go down to very red (1200 K) and the entire range of the slider now works correctly.

    This tutorial will show you how to turn on or off night light to reduce blue light for your account in Windows 10.


    CONTENTS:





    Turn On or Off Night Light in Windows 10 OPTION ONE Turn On or Off Night Light in Windows 10
    To Turn On or Off Night Light in Action Center

    1. Open Action Center.

    2. Click/tap on the Night light button to toggle it on or off. (see screenshots below)

    Click image for larger version. 

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    Turn On or Off Night Light in Windows 10 OPTION TWO Turn On or Off Night Light in Windows 10
    To Turn On or Off Night Light in Settings

    1. Open Settings, and click/tap on the System icon.

    2. Click/tap on Display on the left side, and click/tap on the Night light settings link under Brightness and color on the right side. (see screenshot below)

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    3. Click/tap on the Turn on now or Turn off now button for what you want, and adjust the Color temperature at night level to what you want. (see screenshot below)
    Note   Note
    If you have the Night light schedule turned on, then night light will only stay turned on or off until the scheduled time you have set.


    Click image for larger version. 

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    4. You can now close Settings if you like.





    Turn On or Off Night Light in Windows 10 OPTION THREE Turn On or Off Night Light in Windows 10
    To Turn On or Off Night Light Schedule in Settings

    1. Open Settings, and click/tap on the System icon.

    2. Click/tap on Display on the left side, and turn on or off Night light schedule under Brightness and color on the right side for what you want. (see screenshot below)

    3. You can now close Settings if you like.

    Click image for larger version. 

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    Turn On or Off Night Light in Windows 10 OPTION FOUR Turn On or Off Night Light in Windows 10
    To Change Night Light Schedule in Settings

    1. Open Settings, and click/tap on the System icon.

    2. Click/tap on Display on the left side, and click/tap on the Night light settings link under Brightness and color on the right side. (see screenshot below)

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    3. If you haven't already, you will need to turn on Schedule night light to be able to change its settings. (see screenshot below)

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    4. Do step 5 (sunset) or step 6 (set hours) for the schedule you want to use.


     5. To Use "Sunset to sunrise" Schedule

    A) Select (dot) Sunset to sunrise, and go to step 7 below. (see screenshot below)
    Note   Note
    You will need to turn on Location services to use sunset.
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    Name:  Night_light_schedule_settings-2.jpg
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     6. To Use "Set hours" Schedule

    A) Select (dot) Set hours. (see screenshot below)

    B) Set the time you want to automatically Turn on and Turn off blue light reduction, and go to step 7 below. (see screenshot below)

    Click image for larger version. 

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    7. You can now close Settings if you like.


    That's it,
    Shawn


  1.    22 May 2017 #1
    Join Date : Jul 2015
    Posts : 15
    Win10

    Why is mine stuck on?

    Click image for larger version. 

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      My ComputerSystem Spec
  2.    22 May 2017 #2
    Join Date : Oct 2013
    Posts : 25,183
    64-bit Windows 10 Pro build 17040
    Thread Starter

    Hello ClassicD,

    Sometimes updating your graphics driver to the latest version helps.

    If that doesn't help, then you might see if downloading and merging the .reg file below to recover Night Light Default data may.

    Night_Light.reg

    (contents)

    Code:
    [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount\$$windows.data.bluelightreduction.bluelightreductionstate]
    
    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount\$$windows.data.bluelightreduction.bluelightreductionstate\Current]
    "Data"=hex:02,00,00,00,26,a9,0c,cc,2b,d3,d2,01,00,00,00,00,43,42,01,00,c6,14,\
      ad,99,b0,e0,bc,e5,b4,e9,01,00
    
    [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount\$$windows.data.bluelightreduction.settings]
    
    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount\$$windows.data.bluelightreduction.settings\Current]
    "Data"=hex:02,00,00,00,e4,cb,20,ce,2b,d3,d2,01,00,00,00,00,43,42,01,00,ca,14,\
      0e,15,00,ca,1e,0e,07,00,ca,32,0e,14,2e,22,00,ca,3c,0e,06,2e,16,00,00
      My ComputersSystem Spec
  3.    22 May 2017 #3
    Join Date : Jul 2015
    Posts : 15
    Win10

    Thanks Brink for your reply.

    Oh dear i wish i never enabled this feature. The reg file only worked once, it stays on whether i enable or disable. Its been slightly frustrating to be honest. I need to restart PC to keep it off.

    i have seen this a lot causing issues, some websites actually advise to reinstall windows...
      My ComputerSystem Spec
  4.    22 May 2017 #4
    Join Date : Oct 2013
    Posts : 25,183
    64-bit Windows 10 Pro build 17040
    Thread Starter

    You shouldn't need to reinstall Windows for this. That's a pretty big sledgehammer fix.

    Did you update your graphics driver?
      My ComputersSystem Spec
  5.    23 May 2017 #5
    Join Date : Jul 2015
    Posts : 15
    Win10

    Yea fully updated. Thats what i thought, surley thats too extreme due to a simple windows feature, didn't hold much hope for the future.

    I have disabled the feature now, it always starts around 9pm GMT so i will find out later if it has worked.

    Thanks
    Last edited by ClassicD; 23 May 2017 at 05:39.
      My ComputerSystem Spec
  6.    23 May 2017 #6
    Join Date : Oct 2013
    Posts : 25,183
    64-bit Windows 10 Pro build 17040
    Thread Starter

    I look forward to hearing your results.
      My ComputersSystem Spec
  7.    24 May 2017 #7
    Join Date : Jul 2015
    Posts : 15
    Win10

    Thanks for your enthusiasm Brink, all worked ok!
      My ComputerSystem Spec
  8.    24 May 2017 #8
    Join Date : Oct 2013
    Posts : 25,183
    64-bit Windows 10 Pro build 17040
    Thread Starter

    Great news.
      My ComputersSystem Spec

 


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