List Of Light Up Keyboard References. Most modern laptops have backlit keyboards, but some budget models don’t have this feature. Using the luminance keys you can adjust the brightness of your keyboard backlight using the separate luminance keys.
It may be a simple on/off or, on some models, you can adjust the brightness of the backlighting. Web simply clicking this button while pressing the fn button located at the bottom row of your keyboard will leave you with keyboard lighting operational magic. On a mac, press the increase brightness key (it looks like a little rising sun).
