What is F5?

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Updated: 12/31/2020 by Computer Hope

The F5 key is a function key found at the top of almost all computer keyboards. The key is most often used to refresh a web page in an Internet browser. F5 also has other uses depending on the computer and program, as mentioned below.

How to use the F5 key

Open the program that uses the key and press F5. If the F5 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 F5.

If when pressing the F5 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 F5, hold down the fn key, and press F5.

Note

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 F5 section.

Where is the F5 key used?

The following list is all of the locations the F5 key can be used with information about how it’s used.

Internet browser

In all modern Internet browsers, pressing F5 refreshes or reloads the page or document window. When pressing Ctrl+F5, it forces a complete refresh of the web page, clearing the cache and downloading all contents of the page again.

Microsoft Windows

Refresh the list of contents in a folder.

Microsoft Word

Open the find, replace, and go to window in Microsoft Word.

PowerPoint

Pressing F5 starts a slideshow in PowerPoint from the first slide. Pressing Shift+F5 starts the slideshow from the currently active slide.

MS-DOS

Pressing F5 when the computer is first loading MS-DOS loads the default settings.

The secondary function of F5

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 F5 key.

Apple keyboard F5 key

On Apple keyboards, the default F5 key primary function on the MacBook decreases the keyboard backlight. Pressing the fn+F5 for the secondary function is F5.

Cooler Master keyboard F5 key

On Cooler Master desktop keyboards, the F5 secondary function is one of the following options depending on the model.

  • With a single-color keyboard backlight keyboards, FN+F5 plays and pauses audio in supported programs (e.g., Windows Media Player).
  • With a multiple backlight colors (RGB) keyboard, FN+F5 changes the lighting mode. The lighting modes include solid color, rainbow effect, color change, zone mode, and breathing.

Dell keyboard F5 key

On Dell laptop keyboards, the F5 key secondary function is to mute and unmute the volume.

HP keyboard F5 key

On Hewlett-Packard laptop keyboards with a three boxes on the F5 key, the secondary F5 function is used to adjust the backlight keyboard brightness.

Lenovo ThinkPad F5 key

On the IBM and Lenovo ThinkPad keyboards with a sun symbol next to a minus, the F5 key secondary function decreases the brightness.

Logitech keyboard F5 key

On Logitech keyboards with a light bulb in a circle on the key, the F5 key secondary function changes between the backlight keyboard lighting effects. Logitech keyboards with a magnifying glass open the find or Spotlight feature on the computer or search when in a browser.

Microsoft Surface F5 key

On the Microsoft Surface laptops, the F5 key secondary function decreases the audio volume.

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

Fn, Function keys, Keyboard, Keyboard terms

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