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.

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. When you stop holding down the fn key, the typical Touch ...