![]() Right-click on the graphics driver and click on Disable device. Open the Device Manager and expand Display adapters. You can disable the graphics card driver and then re-enable it to get rid of temporary issues. If there is a temporary glitch in the display drivers software, the brightness control slider won’t work. Post the execution, reboot your computer and check if the Windows 10 slider not working issue is fixed with this or not. dism /online /cleanup-image /restorehealth Execute DISM command When the command prompt terminal opens, type the following command and hit Enter. ![]() Type cmd in the Start menu and open Command Prompt as an administrator, like shown in the screenshot below. So that if SFC leaves out any damaged system files, the DISM command can take care of them. Once the SFC command is executed, you need to execute the DISM command. The sfc /scannow command needs to be executed to use the SFC utility in Windows 10. You can scan and fix system files by using Windows 10 SFC (System File Checker) utility. If you cannot adjust the brightness by moving the slider, it can be because of corrupt system files. The system files play a crucial role in the smooth functioning of Windows PCs. Once Windows fixes the power issues, check if you can adjust the screen brightness settings. When the Run the troubleshooter button becomes visible under Power, click on it to start the troubleshooting. On the next window, search for Power and click on it. Click on Troubleshoot from the left frame and then click on Additional troubleshooters. Open the Settings app and go to Update & Security. You can run the Power troubleshooter to find and fix the power-related issues on your computer. If there are any issues with power settings, it can lead to Windows 10 brightness slider not working. Windows 10 offers in-built troubleshooters for many devices and features. The Windows 10 brightness slider will start working after the driver update. ![]() Expand the Display adapter and right-click on the display driver to update it. To update drivers manually, press Windows key + X and click on Device Manager to open it. ![]() If you think of doing it manually, make sure you download the correct driver from the manufacturer’s website. You can update the display device drivers manually in Device Manager or use any third-party software to do it for you. The outdated display drivers can cause the screen brightness problem. Restart your computer to install the recently downloaded updates.Īfter the restart, check if Windows 10 brightness slider not working issue is fixed with this or not. If there are any new updates, make sure you have a stable internet connection and then download the update. Now, under Windows Update, click on the Check for updates button. Press Windows key + I to open the Settings app and click on Update & Security. You can check for updates on your Windows 10 PC. And if the previous version has some issues, Microsoft rolls out a new update to fix it. The device drivers update are often included in the Windows update. The list of solutions given below can help to fix the brightness slider easily. Sometimes, the power settings can also cause the brightness slider not to work properly. The most common reason to experience issues with the brightness control slider is outdated and corrupted display drivers. Reset the PC Solutions for Windows 10 Brightness Slider Not Working Solutions for Windows 10 Brightness Slider Not Working.Were you able to fix the screen flickering on Windows 10? Did you use a different method? Tell us in the comments below. If the previous version is working on your computer, you can temporarily prevent the operating system from updating a particular driver. The caveat installing an older version of the driver is that Windows Update may try to replace it with a newer version. While you may miss out on new improvements and features, sometimes an older version of the driver may work better on your computer. In case the latest driver doesn't fix the flickering problem on your computer, as a last resort you can try to download and install an older version of the driver from your manufacturer's support website (if available). Here's a list of the most popular support sites to download the latest video drivers: Alternatively, instead of using Windows Update, you can download and install the required driver manually from your graphics card manufacturer's website - of course, you'll need to know which graphics card is installed in your computer, which you can find by looking up your system information. Windows Update always delivers the most compatible device drivers, but it doesn't mean that they're the most recent version available.
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