Press the F5, F9, or F11 key to turn your HP laptop keyboard light on or off. Some HP laptops need the Fn key pressed with the light key to activate the keyboard light. If these keys don't work, check ...

Even if you’ve used the Mac for decades, I suspect you have never fully understood the Fn key. Not helping is the fact that Apple sometimes calls it the Function key, but all Mac keyboards already ...

When you are working in low-light environments, you can turn on the backlit function on the keyboard. This helps you get your work done comfortably but, on a few occasions, the function may fail to ...