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This tip is about the how to Fix ‘Windows 10 Brightness Slider Not Working’ Issue. So read this free guide, How to Fix ‘Windows 10 Brightness Slider Not Working’ Issue. If you have query related to same article you may contact us.
How to Fix ‘Windows 10 Brightness Slider Not Working’ Issue – Guide
Proper screen brightness is critical when using a computer. Watching a movie, playing a video game, working or creating art – it all depends on a good monitor. You use features like Night Shift, which changes the screen brightness based on the lighting around you? It all depends on your monitor’s brightness control. However, many Windows 10 users report that the brightness controls are not working on their devices.
This could mean that the controls have completely disappeared or that the monitor’s brightness is simply not being adjusted. Per laptop users, high brightness also drains the battery faster. You can see that not being able to adjust the brightness is a problem. Today you will learn how to fix this problem easily and quickly.
Fix for Windows 10 brightness slider not working
The most common reason for problems with the brightness slider is outdated and corrupted video drivers. Sometimes power settings can also cause the brightness slider to not work correctly. The list of solutions provided below can help you to fix the brightness slider easily.
Update Windows 10 Operating System
Updating device drivers is usually included in the Windows update. And if the previous version has any issues, Microsoft releases a new update to fix them. You can check your Windows 10 PC for updates.
Press the Windows key + I to open the Settings app and click Update & Security. Now, on Windows Update, click on the Check for updates link button. If there are new updates, make sure you have a stable Internet connection and download the update. Restart your computer to install recently downloaded updates.
Update Display Device Drivers
Outdated video drivers can cause screen brightness issue. You can update your video device drivers manually in Device Manager or use any third-party software to do it for you. If you think about doing this manually, make sure you download the correct driver from the manufacturer’s website.
To update drivers manually, press Windows key + X and click Device Manager to open it. Expand the display adapter and right-click on the display driver to update it. Windows 10 brightness slider will start working after driver update.
Run the power troubleshooter
Windows 10 offers built-in troubleshooters for many devices and features. If there is a problem with the power settings, it could cause the Windows 10 brightness slider not to work. You can run the power troubleshooter to find and fix power-related problems on your computer.
Run SFC and DISM scan
System files play a crucial role in the smooth running of Windows PCs. If you are unable to adjust the brightness by moving the slider, it may be due to corrupted system files. You can check and fix system files using the Windows 10 SFC (System File Checker) utility.
The sfc /scannow command needs to be run to use the SFC utility on Windows 10. After the SFC command is run, you need to run the DISM command. So that if SFC omits any damaged system files, the DISM command can take care of them.
Type cmd in the Start menu and open Command Prompt as an administrator. When the command prompt terminal opens, type the following command and press Enter.
dism / online / cleanup-image / restorehealth
Disable and re-enable graphics drivers
If there is a temporary failure in the video drivers software, the brightness slider will not work. You can disable your graphics card driver and then re-enable it to get rid of temporary issues. Open Device Manager and expand Display Adapters. Right-click the graphics driver and click Disable Device.
When prompted for confirmation, click Yes. Now wait a while and right-click the video driver again. This time click Activate Device. Once the driver is enabled again, check if you can increase/decrease screen brightness.
Restore default power settings
You can restore the power plan’s default settings to fix the Windows 10 brightness slider that isn’t working. If you’ve recently made changes to your power settings, resetting them to their defaults can be helpful.
Disable adaptive brightness
The adaptive brightness is the feature which adjusts the screen brightness according to the lights around it. Well, this can be useful if you don’t want to adjust the brightness yourself, but at the same time it can prevent you from adjusting the brightness by moving the slider. You can turn off adaptive brightness and see if this can fix the Windows 10 brightness slider issue on your PC.
Open Control Panel and go to Power Options ➜ Change Plan Settings ➜ Change Advanced Power Settings. Now expand the View section in the Power Options dialog. Expand Enable adaptive brightness and select Off in the Settings option.
modify record
You can modify the registry to fix the brightness slider which doesn’t work in Windows 10. However, before making any changes, we recommend backing up up the register. This can help you restore registry values if something goes wrong. Type Regedit from the Start menu and open Registry Editor from the search results.
Now navigate to –
HKEY_LOCAL_MACHINE SYSTEM ControlSet001 Control Class {4d36e968-e325-11ce-bfc1-08002be10318} 0001
Open the FeatureTestControl and change its value to 0000ffff. Click OK to save changes. Close Registry Editor and restart your computer.
Rollback Display Device Drivers
If you recently updated your video drivers and started having problems after that, you need to roll back your drivers. It is possible that you have installed an incorrect or unstable driver. To rollback the video drivers, open Device Manager and right-click on the graphics driver – select Properties from the context menu.
In the Properties dialog, go to the Driver tab and click Roll Back Driver. Now follow the onscreen wizard to roll back the driver to the previous stable version. After reversing the video driver, restart the PC and check if the Windows 10 brightness slider is not working issue is fixed with this.
Use the Microsoft Basic Display Adapter
You can use Microsoft’s Basic Display Adapter to fix the brightness slider in Windows 10. To use Windows generic drivers, follow the steps below.
Reboot PC
If none of the above helps to fix the brightness slider, the last option is to reset Windows 10. Reset installs Windows 10 without any installation media. You can fix many problems with a simple reset.
There is also the option to keep personal files, which saves the hassle of backing up. up everything before resetting. The only problem is that all software and applications installed by you will be removed after reboot. So make sure you have credentials and a list of all applications on your system.
Final note
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