Where Is the Brightness Control on Windows 10?

What is the shortcut key for brightness in Windows 10?

Use the keyboard shortcut Windows + A to open the Action Center, revealing a brightness slider at the bottom of the window. Moving the slider at the bottom of the Action Center left or right changes the brightness of your display.

Why is there no brightness setting on Windows 10?

If the Windows 10 brightness slider is missing, you may be stuck with an improper level. The reason for this problem might be a problematic driver or the TeamViewer app. A solution for the missing brightness option is to update your drivers using a dedicated tool.