Fn key Fn key on a Dell Inspiron 1150 laptop Fn key on a USB Raspberry Pi keyboard The Fn key, short form for function, is a modifier key on many keyboards, especially external keyboards, and is not …

Aug 3, 2021 · Confused by that "Fn" key on your keyboard? "Fn" is actually short for "function," and lets you access a range of alternative functions for the other keys on your keyboard.

Sep 15, 2024 · Short for Function, Fn is a key found on most laptop and some desktop computer keyboards. When pressed, the Fn key enables the secondary purpose of other keys on the …

Jul 9, 2025 · The Fn key is also known as the function key, and on Windows and most Mac keyboards, you'll find it located in the bottom-left corner of your keyboard.

Jul 26, 2025 · Master the Fn lock key: our guide helps you learn how to lock and unlock the Fn key in Windows 10 & 11 with ease.

Sep 5, 2024 · 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.

Enable or disable fn (function) or action keys mode Change the action key setting from the BIOS Setup Utility. Press and hold the power button for at least five seconds to turn off the computer. Press the …

Nov 19, 2025 · Hold the "Fn" key while pressing a function key to get it to work. If your keyboard has an "F Lock" key, press it to enable your function keys. If your function keys don't work no matter what …

Sep 2, 2025 · Function keys not working in Windows 10 or 11? Learn how to turn off or disable Fn Lock on HP, Dell, Lenovo, Acer, ASUS, and other laptops.

Sep 13, 2025 · In short, the Fn (Function) key is a special modifier key that allows you to access alternative commands on the function keys (F1–F12) and other keys with multiple functions. Think of …