Windows updates are infamous for breaking things, and in the latest update, some users have also reported brightness issues in the latest Windows 10 20H2 update (Build: 19044). Brightness Issues In Windows 10 20H2 Update So, I hope this might have helped you out if your desktop’s or laptop’s brightness is not changing. You can check it by increasing and decreasing the brightness of your PC. Your PC will install the selected driver, and your Windows 10 brightness control issue will be solved. 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.If the above doesn’t work, repeat the above steps of opening Device Manager and updating the display drivers.įrom the How do you want to search for driver dialogue box, select Browse my computer for driver software > then select Let me pick from a list of device drivers on my computer.Here you can also go to your manufacturer’s website to manually check if there’s any driver update available. Now, you need to continue with the next step. FlyingHyrax wrote:The plugin actually queries WMI for an array of brightness levels supported by the monitor, and sets the brightness to the closest level it can find to the number you give it.This may be what is causing that. If the Windows 10 brightness control issue still persists, it means that your graphics card manufacturer hasn’t provided any update. 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.Now, your PC will use your internet connection to download the drivers that are necessary for proper functionality. Next, click on Search automatically for updated driver software.Select Update Driver Software from the menu to fix the Windows 10 brightness control not working issue.For laptop users, having your brightness set high will cause faster battery drain as well. If pressing these keys doesnt light up your keyboard, press and hold down the Fn key and then press those keys. However, the most commonly used keys are F5, F9, and F11. This can mean that the control entirely disappeared, or it simply won’t adjust the monitor brightness at all. The key you use to activate your keyboards backlight depends on your device manufacturer. To check, open Run > Type dxdiag and press Enter > Go to display tab. However, many Windows 10 users are reporting that the brightness control is not working on their devices. Click on it to expand and right-click on the GPU that powers your display (internal or discrete). Adjust Brightness on Laptop Method 1: Shortcut Keys to the Rescue Method 2: Dive into Settings Ending View. Open Start Menu > Type Device Manager and open it.Most of the time, the Windows 10 brightness problem can be solved by simply updating the GPU drivers. A buggy GPU display driver living on your machine could be the reason why you’re unable to adjust brightness on Windows 10. In this video you will learn how to adjust, reduce, increase brightness screen in windows 7.
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