In this case, pressing and holding the Fn key while simultaneously pressing the desired function key will activate the secondary function. Some laptops have three functions and an Fn1 and Fn2 keys.

How to Fix the Fn Function on a Dell Computer. 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 ...

Function keys that enable convenient features like instant browser refreshing or screenshotting pages are lost unless you hold down the “fn” key on your keyboard.

However, unlike a desktop PC, some laptops do offer extra hardware features such as the Function keys found on any Toshiba laptop. Labeled as "Fn," these keys allow you to activate a range of ...

This will make the original row of function keys appear on the Touch Bar, including the Escape key if your Mac doesn't have a physical one.