Learn: How to Fix Cannot Move Icons to the Right Side of the Screen in Windows 10 Method 3: Use the Microsoft Basic Display Adapter Here in this guide today, we have discussed some very straightforward methods to resolve Windows 10 brightness not working problems which you can apply in those situations when the screen brightness slider or screen brightness control not working in Windows 10 and you are completely unable to change screen brightness on your PC. So, we going to focus more on that among various other solutions as well. Also, mainly an issue with the display adapter driver or the monitor driver is what that triggers this issue very frequently on your system.
How to Fix Can’t Adjust Screen Brightness in Windows 10Īs we mentioned earlier, the main reason why you can’t adjust screen brightness in Windows 10 is the outdated device driver.