1. Lock or Unlock the Function Key Using Your Keyboard . On several keyboards, the Esc key doubles as a Fn (Function) lock key, often denoted by a small padlock icon on the Esc key.

Besides these F1-F12 12 function keys, a unique Fn key is next to the Ctrl key on your keyboard. The Fn key activates special Function Keys marked by unique icons in the same color.

Until macOS 12 Monterey, the Fn key was essentially a hardware toggle key that switched the behavior of other keys to an alternative function, most notably toggling the F1, F2, etc. keys at the top of ...

Dear Data, I have a Toshiba laptop, about 3 years old. I had some work done on it and when I got it back, the function FN key which works with certain commands on the pf keys would not work.

The "Fn" key on a Dell toggles the multimedia keys on and off. On some models, you must press "Fn" to activate these multimedia keys, but the keyboard operation can be changed on the Dell PC so ...

Keys with an Fn key or F Lock provide two sets of commands for many keys on a keyboard. This includes the top row of standard function keys (F1–F12).In this post, we will show you how PC users ...