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. I'll replace the keyboard when i have the money, but for now i'd just like to turn the backlight off. turn off your computer by shutting it down and take out the power cable.The backlight key on an asus keyboard looks shows a tiny keyboard with glow lines. Deals1 hours ago pressing the fn+f4 continuously increases the brightness of the keyboard backlight while pressing the fn+f3 keys continuously decreases the . If the driver for the keyword is corrupted or outdated, the asus keyboard backlight not working issue can also happen. How to adjust keyboard backlight on ASUS ROG Gaming Laptop - YouTube from i. 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. Press the rog button to open the rog gaming center. No matter which laptop you use, you can turn on the keyboard light in three simple ways.