That being said there are several ways to change monitor brightness using windows software.
Change screen brightness windows 7 desktop.
The brightness slider appears in action center in windows 10 version 1903.
Open the settings app from your start menu or start screen select system and select display click or tap and drag the adjust brightness level slider to change the brightness level.
To change screen brightness in windows 10 desktop we are going to use a free and lightweight software called twinkle tray.
Download twinkle tray from github.
Of course you can adjust your windows 10 screen brightness from within windows as well.
To find the brightness slider in earlier versions of windows 10 select settings system display and then move the change brightness slider to adjust the brightness.
Drag the slider bar to the left to lower the screen brightness.
The slider bar that says change brightness is at the top of the display settings.
The process for changing settings in any operating system is consistent across devices.
Most desktop computers use an external monitor meaning that the brightness must be altered by using the monitor s physically built in buttons or brightness switch.
On windows 10 click the battery icon in the notification area and click the brightness tile that appears.
You can launch the windows mobility center in windows 7 by pressing the windows key and x and then sliding the slider given under the display.
Drag it to the right to increase the screen brightness.
In windows 7 on my desktop you press the windows key and the left and right arrow keys to adjust the brightness.
Windows control panel isn t the only way to change the screen brightness in your device you can also change the brightness of your device screen in windows 7 using the windows mobility center.
Here are some of those ways you could try.
How to adjust brightness on windows 10 desktop.
On laptop computers adjusting the display settings is done in a similar manner as desktops.
Use a lower screen brightness to conserve power battery life.
If you don t have a desktop pc and the slider doesn t appear or work try updating the display driver.
I accidentally found this playing a video game and hitting the wrong keys and it took a while to find the official key combination.
For example the brightness control on windows 7 is located in the same display settings panel on desktops and laptops alike.