

On a touchscreen, you would find the Action Center by swiping in from the right side of your screen. Step 3: Click and drag the slider to adjust your screen’s brightness, as you like. Step 2: If you don’t get the sight of the slider then click on the “Expand” option, located upon the grid of tiles. Step 1: Firstly, click on the notification bubble-like icon that appears on the right of the clock on the Taskbar. On Windows 10, the user can find a quick brightness adjusting slider in the Action Center. This method is also helpful when using a tablet or when you have to do it in software. This method is especially useful for those users whose keyboards have some problems like broken keys, faulty drivers, etc. If you want you can also change Windows 10 display brightness from within the system also. Press the keys, as they are function keys, you have to press and hold the Fn key which is located at the bottom-left corner of the keyboard, while pressing the function keys. To change your screen brightness look for a function key that resembles the icon that represents brightness, mostly it’s a sun or something like that. In most of laptop keyboards, you can find the option of increasing or decreasing brightness quickly by using the function keys (f1 to f12)- that appears on the top of number keys on your keyboard. Please post back with the status of the issue and we will be glad to assist you further.How to Automatically Adjust Brightness by Using Ambient Light Sensor How to change brightness in Windows 10 Laptop or PC How to: Install and Update drivers in Windows 10 Refer below articles for more information: Downloading and installing the latest driver for your display adapter can resolve these types of problems. If you've had recent power outages, viruses, or other computer problems, it's possible that the drivers If you recently upgraded from one version of Windows to another, it's possible that the current display driver is for the previous version of Windows.


To diagnose the issue, I suggest you to check for updated drivers for your display in the manufacturer’s website. I understand that you are unable to adjust the screen brightness.
