How to Turn On/Off Keyboard Back light And Screen. How to change backlight settings on keyboard? Keyboard shortcut keys can be used to turn on keyboard light for windows 10. Definite fixes for asus laptop keyboard backlight issues. Please check the f3 and f4 keys on your asus notebook keyboard to see if you can find the backlight keyboard symbols on the keys. Enable keyboard lighting and select the brightness depending on the model, your computer probably has a keyboard function to turn on the backlight. Keyboard light gives a special feeling to users. The former is dependent on ambient light while the latter offers manual control. Make sure to turn on the lights by pressing the appropriate keyboard shortcut or try our other solutions. I have checked for updated drivers and my keyboard function light is set for on. : Make sure to turn on the lights by pressing the appropriate keyboard shortcut or try our other solutions. How To Turn On Keyboard Light Asus - How To Turn On Keyboard Light On Asus Laptop / How To Turn.