Open Settings
Click System
Click Display
Under Brightness and color, move the Brightness slider
Use the Action Center
Click the network, volume, or battery icon on the taskbar
Move the brightness slider
Use keyboard brightness keys
Press the brightness up or brightness down key on your keyboard
Hold Fn if required
Use Quick Settings
Press Windows + A
Adjust the brightness slider
Use the Power Options
Open Control Panel
Click Hardware and Sound
Click Power Options
Click Change plan settings
Adjust display brightness
Use Windows Mobility Center
Press Windows + X
Click Mobility Center
Adjust the Display brightness slider
Use your monitor buttons
Press the physical buttons on the monitor
Open the monitor menu
Adjust brightness
Update display drivers if brightness controls are missing
Open Device Manager
Expand Display adapters
Update the graphics driver