Updated: 12/31/2020 by Computer Hope
F11 key

The F11 key is a function key found at the top of almost all computer keyboards. The key is most often used to Enter and exit fullscreen mode in all modern Internet browsers. F11 also has other uses depending on the computer and program, as mentioned below.

How to use the F11 key

Open the program that uses the key and press F11. If the F11 key also has an icon on the key, it indicates the key has a secondary function. To use the secondary function, press and hold down the Fn key, and while continuing to hold the key, press F11.

If when pressing the F11 key the secondary function is performed (e.g., mutes audio), the function keys are the secondary function. For example, on an Apple computer, to press F11, hold down the fn key, and press F11.


If the FnLk (function lock) is enabled, the keyboard acts as if the Fn key is being pressed until it is unlocked.

Information about what the secondary function may be is found on the below secondary function of F11 section.

Where is the F11 key used?

The following list is all of the locations the F11 key can be used with information about how it's used.

Internet browsers

Enter and exit fullscreen mode in all modern Internet browsers.

Apple macOS

With macOS 10.4 or later, hides all open windows and shows the desktop.

Hidden partition

The secondary function of F11

For laptop keyboards and desktop computer keyboards with the Fn key, each function key has two functions. Unfortunately, there's no standard to what each key uses as its secondary function, so every keyboard is different. Below is a list of different keyboards and their secondary function for the F11 key.

Apple keyboard F11 key

On Apple keyboards, the default F11 key primary function is to turn down the audio. Pressing the fn+F11 for the secondary function is F11.

Cooler Master keyboard F11 key

On Cooler Master desktop keyboards, the F4 secondary function is one of the following options depending on the model.

  • With a single-color keyboard backlight keyboards, FN+F11 increases the audio volume.
  • With a multiple backlight colors (RGB) keyboard, FN+F11 locks all keys on the keyboard. When keys are locked, the "G" LED indicator light is active.

Dell keyboard F11 key

On Dell laptop keyboards, the F11 key secondary function is to mute and unmute the volume.

HP keyboard F11 key

On Hewlett-Packard laptop keyboards with two right arrows pointing to a line on the F11 key, the secondary F11 function fast forwards or goes to the next track in supported media players.

Lenovo ThinkPad F11 key

On the IBM and Lenovo ThinkPad keyboards with three box symbol, the F11 key secondary function shows all open windows. If the key resembles a keyboard, the F11 secondary function opens the keyboard settings.

Logitech keyboard F11 key

On Logitech keyboards with two left arrows pointing to a line, the secondary F11 function rewinds or goes to the previous track in supported media players. Logitech keyboards with a speaker icon next to multiple lines is used to turn up the audio.

Microsoft Surface F11 key

On the Microsoft Surface laptops, the F11 key secondary function is the PgUp key.

Below are links to related keyboard shortcuts and individual key pages.

Fn, Function keys, Keyboard, Keyboard terms