Function Key Lock Info

Macs don’t have an Fn Lock key, but you can go to → Set “Press Fn key to” → Choose “Show Emoji & Symbols” or use Globe + F1 for standard behavior. To invert: Enable “Use F1, F2, etc. keys as standard function keys.”

What Is the “Fn Lock” Key? Content: Ever wonder why your F1–F12 keys sometimes act as media controls (volume, brightness, play/pause) instead of traditional function keys? That’s where Function Key Lock (Fn Lock) comes in. function key lock

The Fn Lock (Function Lock) is a toggle feature that reverses or fixes the behavior of the top-row function keys (F1–F12) on a keyboard. Without Fn Lock, you often need to hold the key while pressing F1 to use its secondary action (like mute or brightness). With Fn Lock on, the secondary action becomes the primary. Macs don’t have an Fn Lock key, but