How To Turn Off Auto Brightness Windows 10

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While many Windows 10 users find the Auto brightness feature to be useful, others don’t like it which leads to discussions about how to turn off Auto brightness Windows 10. At the moment, if you own a Windows 10 PC, you could turn off the Auto brightness feature via Settings, Advanced power settings, Command Prompt, Intel HD Graphics Panel and Intel Graphics Command Center. You don’t know your way around Windows 10 and need some help? Then you should spare some time to take a look at this article

Turning Off Auto Brightness: Instructions 

Via Settings

  • Step 1: Press Windows + I to open Settings. 
  • Step 2: Hit System then uncheck the checkboxes next to Change brightness automatically when lighting changes and Automatically adjust contrast based on the displayed content to help improve battery.
  • Step 3: See how things turn out. 

Via Advanced Power Settings

  • Step 1: Press Windows key, type Control Panel and hit Enter.
  • Step 2: Change View by to Large icons, click Power Options and pick Choose when to turn off display.
  • Step 3: Hit Change advanced power settings.
  • Step 4: Pick Display, double-click Enable adaptive brightness and change On battery as well as Plugged in to Off. 
  • Step 5: Choose Apply, select OK and restart your computer. 

Via Command Prompt

  • Step 1: Press Windows key, type cmd and hit Run as administrator. 
  • Step 2: In Command Prompt (Admin), run these commands: 
    • powercfg -setacvalueindex SCHEME_CURRENT 7516b95f-f776-4464-8c53-06167f40cc99 FBD9AA66-9553-4097-BA44-ED6E9D65EAB8 0
    • powercfg -setdcvalueindex SCHEME_CURRENT 7516b95f-f776-4464-8c53-06167f40cc99 FBD9AA66-9553-4097-BA44-ED6E9D65EAB8 0
    • powercfg -SetActive SCHEME_CURRENT
  • Step 3: Close Command Prompt, restart your computer and witness the result. 

Note: In times of need, you could disable Auto brightness for particular power plans:

  • Step 1: Open Command Prompt (Admin) then run the command powercfg /L. Next, note down the GUID number of the power plan in which you like to disable Auto brightness.
  • Step 2: Proceed to run the commands down below in Command Prompt (Admin) but remember to substitute the GUID number you noted down earlier for all instances of GUID:
    • powercfg -setdcvalueindex GUID 7516b95f-f776-4464-8c53-06167f40cc99 FBD9AA66-9553-4097-BA44-ED6E9D65EAB8 0
    • powercfg -setacvalueindex GUID 7516b95f-f776-4464-8c53-06167f40cc99 FBD9AA66-9553-4097-BA44-ED6E9D65EAB8 0
    • powercfg -SetActive GUID
  • Step 3: Close Command Prompt then restart your computer.

Via Intel HD Graphics Panel

  • Step 1: Right-click an empty space on your desktop then pick Intel HD Graphics Panel.
  • Step 2: Select Power, choose Battery and disable Display Power Saving Technology in On battery as well as Plugged in.
  • Step 3: Save the changes. 

Via Intel Graphics Command Center

  • Step 1: Press Windows key, type Intel Graphics Command Center and hit Enter.
  • Step 2: Click System then pick Power.
  • Step 3: Hit On Battery then toggle off the Display Power Savings switch. Repeat the same process for Plugged In.

What Is Auto Brightness?

Auto brightness, also known as adaptive brightness, is an intelligent feature in Windows 10 where the computer automatically adjusts the brightness of your screen. Devices that support this feature usually have ambient light sensors capable of detecting changes in ambient light.

How Do I Manually Adjust Screen Brightness?

Many devices nowadays have onboard keys dedicated to adjusting the screen brightness. Hence, all you need to do is locate the brightness increase/decrease keys then press them to tweak the brightness to your liking. Alternatively, you could hit the Notification center on the far left of the taskbar then move the slider to modify the screen brightness.

Adaptive Brightness Missing: Solutions

Make Use Of Command Prompt

  • Step 1: Open Command Prompt (Admin).
  • Step 2: Run the command powercfg –restoredefaultschemes.
  • Step 3: Determine whether the issue persists. 

Run Troubleshooter 

  • Step 1: Open Settings, select Update & Security and choose Troubleshoot. 
  • Step 2: Hit Additional troubleshooters.
  • Step 3: Click Power, pick Run troubleshooter and allow the process to run all the way.
  • Step 4: If the troubleshooter offers a fix, hit Apply this fix.
  • Step 5: Restart your computer. 

Apply Changes To The Registry

  • Step 1: Press Windows, type Regedit and hit Enter to open Registry Editor.
  • Step 2: Navigate to the directory HKEY_LOCAL_MACHINE\SOFTWARE\Intel\Display\igfxcui\profiles\Media\Brighten Movie.
  • Step 3: Right-click ProcAmpBrightness, pick Modify and set the value as 0.
  • Step 4: Proceed to navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Intel\Display\igfxcui\profiles\Media\Darken Movie then set the value of ProcAmpBrightness as 0 too. 
  • Step 5: Close Registry Editor then restart your computer. 

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