Wondering why the light on your F4 key is on? Here's a guide to help you understand what the light on your laptop means and how to turn it off.

Every keyboard has a key that many users consider pointless—the Insert (Ins) key. With over 100 keys on a typical keyboard, some go unused, leading to confusion about their actual function. Among ...

The Fn key is short for function – this particular key allows PC users to access the second assignment of a key. It is normally found at the bottom left corner. The Function keys (F1, F2, etc) are ...