Besides these, a few more methods help us do the same.

But, several users are currently facing hurdles in increasing or decreasing their screen brightness.

Some users said thebrightness slider is missingin the Quick Action Center from their Windows 11 PCs.

use the slider to adjust the screen brightness

While some users mentioned that even the brightness slider isnt helping them turn the screen brightness up and down.

If youre also facing issues while adjusting the screen brightness in your Windows 11 PC, keep reading.

Why Is Brightness Not Working in Windows 11?

open display settings

Lets check them out.

This method isnt working for some Windows users, but it could work for you.

2.Use thebrightness slidernext to theSun iconto change the screen brightness as per your eyes comfort.

brightness slider

2.Lastly,use the slidernext to theBrightnessoption to adjust the brightness as per the comfort of the eyes.

On the other hand, use theF6 and Fnkeyssimultaneously to decrease the screens brightness level.

2.Once the Command Prompt or PowerShell app is opened, copy-paste the following command in the console and pressEnter.

open the command prompt app

Note:Replace100with whatever brightness percentage you want to keep.

2.Navigate to theDisplaysection in theSettings appand access and customize the systems display parameters.

3.tap on thearrownext to theBrightness optionto expand theBrightnesssection and view all the additional options.

change brightness with command prompt

5.Once this feature is disabled,restart the computerand check whether the Brightness Controlling function is working correctly.

We recommendrestarting the Display Enhancement Servicefrom the Services Manager to ensure its functioning correctly and have no internal issues.

2.Now, select theServices appfrom the results and search for theDisplay Enhancement Servicein the list of services.

settings app

3.Double-hit theDisplay Enhancement Serviceto open thePropertiessection.

4.By default, the Display Enhancement Service will beRunning.

You have to stop the service by clicking on theStopoption.

click on arrow

5.Once the service is stopped, choose theStartoption to restart theDisplay Enhancement Serviceon the system.

6.Lastly, click onApplyand thenOKto save all the changes and adjust the brightness seamlessly without any issue.

Its possible that the monitor drivers have some issues, eventually causing this issue.

disable automatic brightness.jpg

In that case,troubleshooting the monitor driverscan easily handle the problem.

We suggest starting the troubleshooting process by re-enabling the monitor drivers.

Then, continue the process by updating the drivers.

services app

Lastly, we suggest reinstalling the monitor drivers to end the troubleshooting process.

2.Search forMonitorsin theDevice Manager.

Once found,double-press itto expand the section and get the list of all integrated monitor drivers.

search for display enhancement service

4.Once the driver is disabled,right-choose the same driveragain and selectEnable deviceto re-activate the integrated monitor driver.

1.To update the monitor drivers,right-clickon the integrated monitor driver in theMonitorssectionand select theUpdate driveroption.

2.Select theSearch automatically for driversoption to scan for new updates automatically for the integrated monitor driver.

stop the service

3.Once the scanning process is completed, youll see all the new updates on the screen.

it’s crucial that you now follow theon-screen instructionsto install them.

You should now be able to use the Brightness Controller/Slider without such issues.

start the display enhancement service

Upgrade Display Adapter Drivers

1.Open theDevice Managerand search forDisplay adapters.

2.Double-tap on theDisplay adaptersto view all the display drivers installed on the computer.

4.After that, select theUpdate driverand then selectSearch automatically for drivers to automaticallyscan for new updates.

select startup type to automatic

5.Lastly, follow theon-screen instructionsto load the updates on the system.

The Microsoft Basic Adapter helps when the integrated drivers have some problems.

2.Search forDisplay adaptersin theDevice Managerto see all display drivers installed on the system.

open device manager

Right-clickthe graphic driversand selectUpdate driverfrom the given options.

5.On the next screen, selectMicrosoft Basic Display Adapterand clickNextto continue the driver installation process.

Once the driver replacement process is started, youll see a running progress bar on the screen.

search for monitors

Once the Microsoft Basic Display Adapter is installed, your system will return to its normal state.

Theieframe.dll elementis responsible for the correct functioning of many essential Windows, including the screen brightness function.

Sometimes, third-party software damages the ieframe.dll file, making it incapable of properly handling assigned system functions.

disable monitor driver 1

you’re free to repair the ieframe.dll file conducting the SFC and CheckDisk scan.

Modify Brightness controls Through Windows Registry

3.Search for theNoDispCPLvalue anddouble-clickon it.

4.Enter0in theValue datacolumn and clickOKto save all the changes.

enable monitor driver

2.Next, click onCheck for updatesand let the system scan for new updates available to install on the system.

So, choose theDownload & install allto install them to the system.

4.In the end,restart the Windows systemand see if the Brightness Controller feature is functioning again.

update monitor driver

2.tap on theReset PCoption under theRecovery optionssection.

3.Select theKeep my filesoption as we dont want to delete the stored data on the Windows system.

Hopefully, the issue should is resolved now.

search automatically for drivers

Frequently Asked Questions

How Can I Adjust Brightness in Windows 11?

One of the easiest methods to adjust the screens brightness level in Windows 11 is through WindowssQuick Action Centre.

How Do I Fix Brightness Control Not Working?

uninstall device

You must ensure that theAuto-Brightnessand theBattery saverare disabled, as they can also create this issue.

Why Is My Brightness Level Not Working?

If youre unable to change the screens brightness, it could be because of thecorrupted ieframe.dll element.

select scan for hardware changes

Does Windows 11 Have Auto-Brightness?

Yes, the latest Windows 11 has the Auto-Brightness option and it can be enabled/disabled fromWindowss DisplaySettings.

How Do I Turn On the Fn Key for Brightness?

update display adapters

Final Words

Changing screen brightness in Windows has become a complicated task.

Users are continuously searching for some workarounds to overcome the brightness not working issue in their Windows 11 system.

Fortunately, in this article, we shared some of the best solutions to eliminate the problem.

select the display adapters 1

you might implement the above-mentioned solutions to get out of this situation asap.

search for device manager

search for display adapters

click on let me pick from list of available drivers on my computer

select microsoft basic adapters

open cmd as admin

enter chkdsk

enter prompt

integrity file checker 1

integrity file checker 2

sfc scan

windows update section

Click on check for updates 1 1

download and install all

recovery section

reset pc option

Select Keep my files