On some mac keyboards, the f6 key increases backlighting and f5 decreases it. I have a masione led 7 color backlit usb wired illuminated multimedia pro gaming keyboard for pc and after so long the back light of the keys will go away. Here you may to know how to light up your keyboard. How To Make Keyboard Light Up - How To Turn Keyboard Lighting On Or Off On A Laptop : If anyone can help me that would be nice.
