Mbfaqih/Shutterstock.comModern laptop and desktop keyboards have a multi-purpose set of keys in the “function” row. These keys can perform special actions related to the audio volume, playback, and hardware features. They can also function as the classic F1-F12 keys — but not at the same time. These keys will often perform special actions by default, but you may want to use them as standard F-keys — for example, for PC gaming. Rather than holding down the Function (Fn) key every time you press a key, you can choose what they do by default. Toggle Function Lock On or Off Changing the default behavior can often be toggled with a Function Lock key. If you toggle Function Lock on, the keys will respond as if you’re holding down the Function key all the time; turn off Function Lock and the keys w… Click below to read the full story from How To Geek
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