How to Fix Brightness Not Working in Windows 10

Jun. 24, 2022 / Updated by Bessie Shaw to Windows 10

Recently, a lot of users reported the brightness not working issue in Windows 10. They can't increase or decrease the screen brightness. Here is a guide on how to fix the brightness control not working problem in Windows 10 (Creators Update/Fall Creators Update 1709), applied to HP, Asus, Dell, Lenovo, Toshiba, Lenovo, MSI, Samsung and other brand PCs.

Method 1: Disable Adaptive Brightness

If the screen brightness is not working in Windows 10, you could try to disable the option Adaptive Brightness. Do the following steps:

Step 1. Right-click the Start button and click Control Panel.


Step 2. Click View by: Small icons.


Step 3. Click Power Options.


Step 4. Under Choose or customize a power plan, click Change plan settings.


Step 5. Click Change advanced power settings.


Step 6. In the Power Options dialog, locate the Display entry and expand it.

Step 7. Expand Enable Adaptive Brightness and set it to Off.


Method 2: Update the Graphics Driver to Fix Brightness Not Working in Windows 10

If your graphics driver is outdated, broken or missing, the screen brightness not working issue could exist. To find out whether your graphics driver is outdated, it's highly recommended to use a driver update utility like Driver Talent to detect your driver status. Once the graphics driver is identified as outdated, Driver Talent could automatically update it to the latest version. All the drivers are safe and well tested.

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Follow the easy guide below to update your graphics driver with Driver Talent.

Step 1. Scan Your PC

Launch Driver Talent.

Click the "Scan" button to perform a full scan of your PC. All the outdated, corrupt, broken or missing drivers will be listed.


Step 2. Update Drivers to Fix Brightness Not Working

Click "Update" to download and install the latest graphics driver. Click "Install All" to update all drivers.


Step 3. Reboot Your PC

Reboot your PC to make changes come into effect.

Apart from the driver update, Driver Talent includes further features, such as drivers backup, drivers restore, drivers uninstall, system restore, drivers pre-download for another PC, PC Repair (no sound, no video, no Wi-Fi available, etc.), DLL files repair, hardware detection, VR support check and PC speed up, etc.

You may also like to check out:

How to Fix Brightness Issue after Windows 10 Creators Update

Top 4 Ways to Update Intel HD Graphics Driver in Windows 10

Download and Update Graphics/Display/Video Driver for Windows 10

If you have other questions about the screen brightness not working issue in Windows 10, don't hesitate to leave your comments below for assistance.


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