Check whether your keyboard has a backlight key or shortcut
Press the backlight key or use the Fn key plus the backlight key
Increase keyboard brightness using the keyboard brightness controls
Enable keyboard backlight in your device settings if available
Update your keyboard or laptop drivers if the backlight is not working
Restart your device if the keyboard light does not turn on
Replace or charge the keyboard batteries if it is wireless
Connect the keyboard to power if it requires external power
Check the manufacturer’s manual for the correct backlight shortcut
Contact support if the keyboard still does not light up