

If your keyboard has a Fn Lock key, just hold down the Fn key and then press the Fn Lock key simultaneously, it will enable Action Keys mode. The Fn Lock key is usually indicated by a lock icon with “ Fn” printed on it. Method 2: Disable or Enable Action Keys Mode Using Fn Lock Key Now the behavior of the Fn key has been changed.

Does not require pressing Fn key to perform the actions printed on the function keys. Multimedia Key – Enable Action Keys mode.Requires pressing Fn key to perform the actions printed on the function keys. Function Key – Disable Action Keys mode.On modern DELL laptops, select “ Function Key Behavior” and press Enter to choose one of the following options: Once inside the BIOS/UEFI Setup, navigate to the Configuration Tab ( Advanced tab or System Configuration tab) and look for an option called “ Hotkey Mode” or “ Action Keys Mode“, set it to Disabled or Enabled.If you’re running Windows 10/8, you can access BIOS from Command Prompt, the Settings app or Windows sign-in screen. Turn on your computer, immediately and repeatedly press a specific key (F2, F12, DEL, F10, ESC, etc.) to enter into the BIOS Setup.Method 1: Disable or Enable Action Keys Mode from UEFI/BIOS If function keys or the Fn key don’t work as expected, then you need to disable or enable Action Keys (Hotkeys) mode on your Windows 10 / 8 / 7 laptop. If I accidentally activate the Action Keys (Hotkeys) mode, then F2 will lower volume and I have to press Fn + F2 for renaming files. On my laptop, the default function of F2 is to rename files, while pressing Fn + F2 will lower volume. F2 key doesn’t rename file in Windows 10? Function keys for brightness control (F11, F12) do not work any longer? Most laptops have a Fn key on the keyboard which can change the behavior of function keys (F1 – F12).
