Add or Remove Display brightness from Power Options in Windows  

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    Add or Remove Display brightness from Power Options in Windows

    Add or Remove Display brightness from Power Options in Windows

    How to Add or Remove 'Display brightness' from Power Options in Windows
    Published by Category: Performance & Maintenance
    29 Jul 2019
    Designer Media Ltd


    How to Add or Remove "Display brightness" from Power Options in Windows


    warning   Warning
    This tutorial no longer works starting with at least Windows 10 version 1809.

    If you have a laptop or tablet, you might need to occasionally change the screen brightness. For example, if you want to use your laptop outdoors on a sunny day, you might need a brighter screen to see the display clearly. Or, if you're in a dark room, you might want to make the screen less bright.

    A brighter display uses more power, which reduces battery life.

    The Display brightness setting in Power Options let's users specify the default display brightness level. This setting applies only to portable computers that support Windows control of the brightness level of an integrated display device.

    "Display brightness" had been removed from Power Options by default starting with Windows 10 build 17639.

    This tutorial will show you how to add or remove the Display brightness setting under Display in Power Options for all users in Windows 7, Windows 8, and Windows 10.

    You must be signed in as an administrator to be able to add or remove this setting in Power Options.

    This will not affect users from being able to change the display brightness using other methods.


     CONTENTS:

    • Option One: Add or Remove "Display brightness" in Power Options using Command Prompt
    • Option Two: Add or Remove "Display brightness" in Power Options using REG file


    EXAMPLE: "Display brightness" in Power Options
    Add or Remove Display brightness from Power Options in Windows-display_brightness.jpg






    OPTION ONE

    Add or Remove "Display brightness" in Power Options using Command Prompt


    1. Open an elevated command prompt.

    2. Type the command below you want to use into the elevated command prompt, and press Enter.

    (Add - default)
    powercfg -attributes SUB_VIDEO aded5e82-b909-4619-9949-f5d71dac0bcb -ATTRIB_HIDE

    OR

    (Remove)
    powercfg -attributes SUB_VIDEO aded5e82-b909-4619-9949-f5d71dac0bcb +ATTRIB_HIDE

    3. You can now close the elevated command prompt if you like.






    OPTION TWO

    Add or Remove "Display brightness" in Power Options using REG file



    The downloaded .reg files below will modify the DWORD value in the registry key below.

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\7516b95f-f776-4464-8c53-06167f40cc99\aded5e82-b909-4619-9949-f5d71dac0bcb

    Attributes DWORD

    1 = Remove
    2 = Add


    1. Do step 2 (add) or step 3 (remove) below for what you would like to do.


     2. To Add "Display brightness" to Power Options

    This is the default setting.

    A) Click/tap on the Download button below to download the file below, and go to step 4 below.

    Add_Display_brightness_to_Power_Options.reg

    Download


     3. To Remove "Display brightness" from Power Options

    A) Click/tap on the Download button below to download the file below, and go to step 4 below.

    Remove_Display_brightness_from_Power_Options.reg

    Download

    4. Save the .reg file to your desktop.

    5. Double click/tap on the downloaded .reg file to merge it.

    6. When prompted, click/tap on Run, Yes (UAC), Yes, and OK to approve the merge.

    7. You can now delete the downloaded .reg file if you like.


    That's it,
    Shawn



  1. Steve C's Avatar
    Posts : 6,916
    Windows 10 Pro 64 bit
       #1

    I see no brightness options either before or after using this fix on my Dell laptop. Is this a hardware limitation of the laptop?
      My Computers

  2. Brink's Avatar
    Posts : 59,365
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #2

    Hello Steve,

    I just tested on my laptop, and it doesn't appear to work in 1903.
      My Computers


  3. Posts : 1,670
    Windows 10 Pro 21H1 19043.1237
       #3

    Brink said:
    Hello Steve,

    I just tested on my laptop, and it doesn't appear to work in 1903.
    I tried the fix above with 1809 and no joy here either.

    I then located another solution elsewhere (shown below) but was unable to make any changes to the DWORD value.

    Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\User\PowerSchemes\381b4222-f694-41f0-9685-ff5bb260df2e\7516b95f-f776-4464-8c53-06167f40cc99\aded5e82-b909-4619-9949-f5d71dac0bcb
    "ACSettingIndex"=dword:00000023 (50)
    "DCSettingIndex"=dword:0000001e (30) <<(use the decimal & percentage)
    Last edited by W10 Tweaker; 29 Jul 2019 at 12:07.
      My Computer

  4. Brink's Avatar
    Posts : 59,365
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #4

    Hello @W10 Tweaker,

    That wouldn't be the same method used in the tutorial though.
      My Computers


  5. Posts : 1,670
    Windows 10 Pro 21H1 19043.1237
       #5

    Brink said:
    Hello @W10 Tweaker,

    That wouldn't be the same method used in the tutorial though.
    OOP's
    I made an edit to my post above, I hope it provides better clarity. Apparently, my key-strokes were faster than my brain and it looked a bit confusing.
      My Computer

  6. Brink's Avatar
    Posts : 59,365
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #6

      My Computers



  7. Posts : 1,670
    Windows 10 Pro 21H1 19043.1237
       #7

    No more display brightness adjustment in advanced power options menu


    I've searched high and low trying to find a solution to add this feature back for 1809, I give up.... for now.

    One thing I did discover is that I can set brightness levels with my keyboard and the resultant % value is displayed as a DWORD in the following registry location;

    Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\User\PowerSchemes\381b4222-f694-41f0-9685-ff5bb260df2e
    \7516b95f-f776-4464-8c53-06167f40cc99
    \aded5e82-b909-4619-9949-f5d71dac0bcb

    ACSettingIndex REG_DWORD 0x00000014 (20)
    DCSettingIndex REG_DWORD 0x0000000a (10)

    Is there any way I can use these registry values to generate a GUI so as I don't have to dig in the registry every time I want to verify brightness settings?

    I also can't change these DWORD values, I get an error editing value. If I could edit the values, this could replace one of the display brightness settings that disappeared from the advanced power menu.

    I would appreciate any words of wisdom. Thanks in advance,

    Michael
      My Computer

  8. Brink's Avatar
    Posts : 59,365
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       #8

    Hello Michael @W10 Tweaker,

    You could use an available option in the tutorial below to see and set your display brightness using a GUI.

    Adjust Screen Brightness in Windows 10
      My Computers


  9. Posts : 1,670
    Windows 10 Pro 21H1 19043.1237
       #9

    Thanks Brink.

    I was happy with option 7 before it disappeared. I could use the laptop function keys multiple times per day but they only have an analog column with no digital value. With the variable ambient lighting, all settings would be subjective to the actual screen content which is constantly changing.

    I know specifically that settings of 26% DC and 38% AC cover most of my viewing interests but not all.

    The room where I use my laptop 99% of the time is subjected to significant changes in ambient light level as the sun moves each day and I also cycle the battery between 45% & 85% (with the brightness set lower on battery).

    I did find a command-line solution;

    powercfg /SetAcValueIndex 381b4222-f694-41f0-9685-ff5bb260df2e 7516b95f-f776-4464-8c53-06167f40cc99 aded5e82-b909-4619-9949-f5d71dac0bcb 38

    powercfg /SetDcValueIndex 381b4222-f694-41f0-9685-ff5bb260df2e 7516b95f-f776-4464-8c53-06167f40cc99 aded5e82-b909-4619-9949-f5d71dac0bcb 26


    Then I found this app that has great features that include a digital level display of volume and display brightness. Adjustment of both can easily be made with a mouse-over scroll button. This solution can be found here;

    ClickMonitorDDC is a portable freeware tool to adjust brightness or contrast of a DDC compatible monitor by simply clicking a notification icon in the taskbar tray area, this icon also shows the actual monitor-values. There is support for multi monit
      My Computer


 
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