Look for the update KB4507453 (OS Build 18362.239) released on July 9, 2019.īrightness not working after uninstalling Windows 10 Cumulative Update KB4503293 If you still can’t control the brightness then you should try uninstalling another update that suggusted by one of our reader.

After uninstalling, restart your computer.

Now click on Uninstall program from the left panel and uninstall that update.

Here, you can see 2019-06 Cumulative Update for Windows 10 version 1903 for 圆4 based-systems KB4503293 in the list.

Now select View installed updates from the left side of windows.

Now click on Uninstall updates, to uninstall the Cumulative Update KB4503293.Īlternatively: Press Windows key and R key from your keyboard, then type “appwiz.cpl” and hit enter.

To do this, Open settings from the notification panel and then click on All settings.

First open Windows updates which are installed to your computer.

Let’s have a look below to uninstall Cumulative Update KB4503293. If your issue is caused by after updating your Windows 10 to Cumulative Update KB4503293, then you need to uninstall this update to solve screen brightness not working. Fix screen brightness control is not working after Update KB4503293 Note machine set for 80% NOT plugged in and 100% plugged in. When I plug and unplug the laptop – NOTHING will change. the change in brightness NO LONGER adjusts when the power is plugged or not plugged in.įIX this AGAIN please. BUT yesterday after 2019-06 Cumulative Update KB4503293.

In most cases, this happens, if you have dual GPU in your computer. This problem occurs because of incompatible, outdated or faulty display drivers. In this case, you don’t need to reinstall your Windows or make complex or major changes to get rid of this problem. This can be frustrating, while you are working and brightness is affecting your eyes because of too much brightness. Brightness can be adjusted manually through settings or let Windows set brightness automatically depends on your computer is plugged or not.Īfter updating Windows 10, many users face different kinds of issue and brightness control not working is one of them.

Adjusting brightness also increases battery life if you are using a laptop. You can increase or decrease the brightness as you need to make content more comfortable according to local environment and lighting.

Brightness control not working