Series: Wura Season 1-3 (2025) Nollywood

Out of all Windows 10 problems, one common issue that many users face is Windows 10 brightness control not working on their machines. Due to the weird bug, users can’t increase or decrease the brightness levels on their Windows 10 PC.

How To Fix Windows 10 Brightness Not Working Issue?

A buggy GPU display driver living on your machine could be the reason why you can’t adjust brightness on Windows 10. Most of the time, the Windows 10 brightness problem can be solved by simply updating the GPU drivers. So, follow the steps mentioned below:

1. Open Start Menu > Type Device Manager and open it.

Find Display Adapters in the list. Click on it to expand and right-click on the GPU that powers your display (internal or discrete). To check, open Run > Type dxdiag and press Enter > Go to display tab.

Select Update Driver Software from the menu to fix the Windows 10 brightness control not working issue.

2. Click on Search automatically for updated driver software.

Now, your PC will use your internet connection to download the drivers that are necessary for proper functionality.

You will see the driver is installed automatically and a message that Windows has successfully updated your driver software message along with the details of the hardware.

From the Show compatible hardware option, choose Microsoft Basic Display Adapter and click on Next to proceed to fix the Windows 10 brightness control not working issue.

4. Now your PC will install the selected driver and your Windows 10 brightness control issue will be solved. You can check it by increasing and decreasing the brightness of your PC.

So, I hope this might have helped you out if your desktop’s or laptop’s brightness is not changing.

Feel free to give me a feedback via the comment section...