Use the monitor’s physical buttons or joystick to open the on-screen display menu
Find the Brightness, Picture, or Display settings
Increase the brightness level
Save or exit the menu
On Windows, open Settings > System > Display and adjust the brightness slider
On a laptop, use the keyboard brightness keys
On macOS, open System Settings > Displays and adjust brightness
If using an external monitor, adjust brightness through the monitor menu, not the computer settings
Check for any power-saving or eco mode that may reduce brightness
Update your graphics driver if brightness controls are missing or not working