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 ...

There are different ways to change the screen brightness, but the easiest way is to use the function keys. PCs of different brands have different function keys to control screen brightness. In this ...

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