Function Key for Brightness Not Working in Windows 11/10 [Solution]
14Function Key for Brightness Not Working in Windows 11/10 [Solution]
Command Used: msdt.exe -id DeviceDiagnostic
You may usually get eye strain or headaches when the brightness of your laptop or PC monitor is too low. Issues like this can be easily solved by adjusting the brightness with a simple press of the brightness function key.
However, things get tricky if this key does not work anymore or has stopped functioning. In such cases, you may need to take a few steps in order to fix the brightness function key not working on Windows PC.
Issues addressed in this tutorial:
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Are you frustrated because your brightness button is not working? Whether you’re using a laptop or desktop, being unable to adjust the brightness control can be quite annoying. This issue can arise due to several reasons, from outdated drivers to software glitches. Fortunately, there are simple solutions to fix brightness button issues. In this tutorial, we’ll guide you through four effective methods to restore your brightness control and get your screen back to the perfect setting.
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei , Microsoft Surface, and Samsung.