Fixing Computer Screen Brightness Adjustment Issue

Adjusting the brightness of the screen helps our eyes regulate more easily. However, the problem of being unable to adjust computer screen brightness mainly occurs after users upgrade from Windows 7 or 8 to Windows 10. There are various reasons for this issue, primarily related to display driver errors.

Refer to the article below by Mytour to learn how to fix the issue of being unable to adjust computer screen brightness.

Fixing Computer Screen Brightness Adjustment Issue

Method 1: Update to the Latest Driver

The reason for the problem of being unable to adjust computer screen brightness may be an incompatible driver. To fix this issue, the solution in this case is to update the driver, install the latest driver version.

Visit the official website of your graphics card manufacturer, search for and install the latest driver version compatible with the Windows version you are using, then check if the problem of being unable to adjust computer screen brightness persists.

Method 2: Utilize Microsoft Basic Display Adapter

Follow the steps below to fix the issue of being unable to adjust computer screen brightness:

Step 1: Right-click on the Start button and select Device Manager.

Step 2: In the Device Manager window, find and double-click on Display adapters. Next, right-click on the graphics card driver you are using and select Update driver.

Step 3: Click on Browse my computer for driver software.

Step 4: Choose Let me pick from a list of available drivers on my computer.

Step 5: Click on Microsoft Basic Display Adapter, then click Next to proceed.

At this point, your computer will install the Microsoft Basic Display Adapter driver. After the process is complete, restart your computer and check if the issue of being unable to adjust the computer screen brightness persists.

In this article, Mytour has just guided you through 2 ways to fix the issue of not being able to adjust the brightness of your computer screen. Additionally, readers can explore other articles on Mytour to learn more about how to fix the sound loss issue in Windows 10.