How to Fix ‘Windows 10 Brightness Slider Not Working’ Issue – Guide

Many Windows 10 users report difficulty adjusting their device’s screen brightness, which is essential for activities like watching movies, playing video games, working or creating art. To ensure optimal viewing experience, users should take advantage of features like Night Shift that automatically adjust the brightness based on the lighting around them.

Laptop users can quickly and easily fix the issue of not being able to adjust their monitor’s brightness, which can lead to a drained battery.

Fix for Windows 10 brightness slider not working

Outdated or corrupted video drivers are the most common cause of issues with the brightness slider. Power settings can also be to blame. Fortunately, there are easy solutions to get your brightness slider working again.

Update Windows 10 Operating System

Updating device drivers is a key part of the Windows update process. Microsoft regularly releases new updates to address any issues with previous versions. To ensure your Windows 10 PC is up-to-date, check for available updates.

Press the Windows key + I to open the Settings app and check for updates. If available, ensure you have a stable Internet connection and download them. Restart your computer to complete installation.

Update Display Device Drivers

Outdated video drivers can lead to screen brightness issues. To fix this, you can manually update your device drivers in Device Manager or use third-party software. When updating manually, be sure to download the correct driver from the manufacturer’s website.

Updating drivers manually can help Windows 10 users get their brightness slider working again. To do so, press Windows key + X and open Device Manager. Expand the display adapter, then right-click on the display driver to update it.

Run the power troubleshooter

Windows 10’s built-in troubleshooters can help you identify and fix power-related issues that may be preventing the brightness slider from working properly. Take advantage of this feature to get your computer back up and running.

To fix technical issues, open the Settings app and navigate to Update & Security. Select Troubleshoot from the left frame, then click Additional Troubleshooters for further assistance.

Navigate to the Power window and click on it. Then, select the Troubleshooter button in Energy to begin troubleshooting.

Run SFC and DISM scan

Windows PCs rely on system files to run smoothly, and if you’re having trouble adjusting the brightness, it could be a sign of corrupted files. To fix this issue, use the Windows 10 SFC utility to check and repair any damaged system files.

Running the sfc /scannow command is necessary to use the System File Checker (SFC) utility on Windows 10. If SFC fails to repair any damaged system files, the DISM command should be used as a backup.

To open Command Prompt as an administrator, type “cmd” in the Start menu and press Enter. Then, enter the following command in the terminal.

Microsoft has released a new tool to help users restore their Windows operating system: the DISM (Deployment Image Servicing and Management) Online Cleanup-Image RestoreHealth command. This command can be used to repair corrupted system files, remove system corruption, and repair damaged components of the Windows operating system.

Disable and re-enable graphics drivers

If you’re experiencing a temporary issue with your brightness slider, disabling and re-enabling your graphics card driver may help. To do this, open Device Manager and expand Display Adapters. Right-click the graphics driver and select Disable Device. Once complete, re-enable the device to restore normal functionality.

Confirm the prompt by clicking Yes, then right-click the video driver and select Activate Device. After enabling the driver, check if you can adjust screen brightness.

Restore default power settings

Resetting your power plan to its default settings can help fix the Windows 10 brightness slider if it’s not working. Changes to the power plan may be causing the issue, so restoring it to its original state could be a solution.

Search the Start menu for Control Panel, then open it and navigate to the Power Options within.

Change your plan settings by clicking the appropriate link.

To access advanced power settings, click the “Change advanced power settings” button.

Users can reset their power settings to the default by accessing the Power Options dialog box and selecting “Restore Plan Defaults.”

You can now restart your computer to see if it improves the laptop’s appearance.

Disable adaptive brightness

The adaptive brightness feature of Windows 10 can be useful, but it can also prevent users from manually adjusting the brightness. To fix this issue, users should turn off the adaptive brightness setting and see if that resolves the problem.

To turn off adaptive brightness, open Control Panel and navigate to Power Options. Change Plan Settings, then Advanced Power Settings. Expand the View section and select Off in the Enable adaptive brightness option.

modify record

Fixing the brightness slider in Windows 10 can be done by modifying the registry, but it’s important to back up the register first. To do this, open Registry Editor by typing “Regedit” into the Start menu.

Head to the specified location.

The Windows Registry contains a key that identifies the type of device connected to a computer. The key is located in HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class{4d36e968-e325-11ce-bfc1-08002be10318}\0001.

To enable a feature on your computer, open the FeatureTestControl in the Registry Editor, change its value to 0000ffff, click OK to save changes, then restart your computer.

Rollback Display Device Drivers

Updating your video drivers can cause problems. To fix them, roll back the drivers by opening Device Manager and right-clicking on the graphics driver – select Properties from the context menu.

To fix the Windows 10 brightness slider not working issue, users can roll back their video driver to a previous stable version. To do this, open the Properties dialog, go to the Driver tab and click Roll Back Driver. Then follow the onscreen wizard instructions and restart the PC to see if it has resolved the issue.

Use the Microsoft Basic Display Adapter

Microsoft’s Basic Display Adapter can be used to fix the brightness slider in Windows 10. To do so, install the generic drivers provided by Windows.

To update your video driver, open Device Manager and select the option to do so from the right-click menu.

Users can locate drivers for their computers by clicking the “Browse my computers for drivers” option.

Users can select from a list of drivers available on their computer.

Choose Microsoft Basic Display Adapter and proceed.

Reboot PC

Resetting Windows 10 is the last resort for fixing the brightness slider issue. It reinstalls the operating system without any installation media, and can often solve many problems.

Resetting your computer can be a hassle, but you can save yourself the trouble by keeping personal files. However, any software or applications installed by you will be removed after reboot, so make sure to have credentials and a list of all applications handy.

Final note

If you’re having trouble adjusting the brightness on your Windows 10 device, this guide can help. If you have any questions, feel free to reach out for assistance. Don’t forget to share the guide with your friends!