How To Fix ‘Windows 10 Brightness Control Not Working’ Issue – Guide
Manual Driver Update You can update the video driver manually by going to the graphics card manufacturer’s website and checking for the latest correct driver. Make sure you only select drivers that are compatible with your version of Windows. Automatic driver update – If you don’t have the time, patience or computer skills to manually update your video driver, you can use Driver Easy to do it automatically. Driver Easy will automatically detect your system and find the correct drivers for your exact graphics card and Windows version. Click Update All to automatically download and install the correct version of any missing or outdated drivers on your system (this requires the Pro version – you will be prompted to update when you click Update All). Make sure you always download and install the correct driver that matches your graphics card. If you’re not sure, you can always Google it or contact the manufacturer’s customer service. In most cases, the issue with adjusting brightness in Windows is related to the monitor or graphics card drivers (most of the time, the issue occurs on devices with Intel Graphics and AMD Radeon graphics cards). However, there are other reasons as well. Let’s take a look at some easy ways to fix the problem when you can’t adjust the brightness on a laptop running Windows 10 or 11.
Adjust screen brightness in Windows settings
In Windows 10 and 11, you can change the screen brightness in the Settings panel. Go to Settings -> System -> Display (you can open this item from Settings by running the command ms-settings:display or desk.cpl). Use the Brightness slider to adjust the screen brightness.
Change Screen Brightness in Windows Quick Settings
In Windows 10 and 11, you can use quick settings (action center) to change the screen brightness. Click on any system icon on the taskbar (Wi-Fi, Sound, Battery or press Win + A). Adjust the screen brightness using the slider.
If the brightness slider is missing or inactive:
Adjusting the brightness with the function keys
Display Brightness Settings in Graphics Card Control Panel
Change screen brightness with PowerShell
The following PowerShell command allows you to set a specific display brightness level from the command prompt: Brightness is defined as a percentage of the maximum in the range of 0 to 100. In this example, I set the brightness to 80%.
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