Function Key Features on Laptops

Function keys on laptops, also referred to as Fn keys, are functional keys assigned for use alongside the F1 to F12 keys on laptops. Nowadays, some computer keyboards, including mechanical ones, also integrate the Fn key to provide more options for users and gamers.

Speaking of the Function Key - Fn, it is crucial for adjusting laptop brightness, touchpad settings, and indeed, it is considered an essential component on laptops. It not only quickly activates shortcuts for adjusting laptop brightness but also provides various other functions, as listed below.

What is Fn - Function Key?

Before diving into the details of the Function key features on a laptop, let's explore what Fn - Function key is all about.

In reality, there isn't a precise concept defining the nature of the Fn key, but we can infer that the Fn key is an abbreviation for Function, a functional key that allows you to quickly toggle various features on a laptop such as enabling Wi-Fi, turning on/off touchpad, adjusting screen brightness, and many other features depending on how each brand has assigned its functions.

Function Key Features on Laptops by Different Brands.

- Absence of keys in the list means they serve no specific function.

1. Function Key Features on Acer Laptops

- Fn + F3: Toggle WiFi on/off.
- Fn + F4: Puts the laptop to Sleep.
- Fn + F5: External display options, choose from 4 modes when connecting the laptop to a TV.
- Fn + F6: Turns the screen on/off (does not go to Sleep).
- Fn + F7: Enables/Disables Touchpad.
- Fn + F8: Mutes the sound on Acer laptops.
- Fn + F12: Toggle Scroll lock feature.

- Fn + Up/Down Arrow Keys: Adjusts the volume.
- Fn + Left/Right Arrow Keys: Controls the brightness of the laptop screen.

2. Function Key Features on Asus Laptops

- Fn + F1: Puts the laptop to Sleep.
- Fn + F2: Enables Bluetooth, WiFi (on some newer models, activates Airplane mode)
- Fn + F3 / F4: Adjusts keyboard backlight brightness (may not have any function on some models)
- Fn + F5 / F6: Increases/Decreases laptop screen brightness.
- Fn + F7: Turns off the laptop screen in use.
- Fn + F8: Sets 4 display modes when connected to a TV via VGA, HDMI.
- Fn + F9: Enables/Disables Touchpad for the laptop
- Fn + F10: Mutes the sound completely on the laptop
- Fn + F11 / F12: Decreases/Increases volume on the laptop.

- Fn + Up Arrow:

3. Function Key Features on Dell Laptops

- Fn + F1: Sets 4 display modes when connected to a TV via VGA, HDMI.
- Fn + F2: Toggles WiFi and Bluetooth on/off on the laptop.
- Fn + F3: Enables/Disables Touchpad
- Fn + F4 / F5: Decreases/Increases screen brightness
- Fn + F8: Goes back to the previous song.
- Fn + F9: Plays or Stops the currently playing song.
- Fn + F10: Fast forwards to the next song.
- Fn + F11 / F12: Decreases/Increases volume on the laptop.

4. Function Key Features on Sony Laptops

- Fn + F2: Mutes the sound on Sony laptops.
- Fn + F3 / F4: Decreases/Increases volume on the laptop.
- Fn + F5 / F6: Decreases/Increases screen brightness on the laptop.
- Fn + F7: Projects the screen onto external devices like a TV via HDMI.
- Fn + F9 / F10: Zooms in or out of the currently accessed website.
- Fn + F12: Enables/Disables Touchpad.

- Fn + Up Arrow: Utilizes the Page Up function.
- Fn + Down Arrow: Utilizes the Page Down function.
- Fn + Left Arrow: Utilizes the Home function.
- Fn + Right Arrow: Utilizes the End function.

5. Function Key Features on HP Laptops

- Fn + F1: Opens the help function on HP laptops.
- Fn + F2 / F3: Increases/Decreases brightness on HP laptops.
- Fn + F4: Projects the screen onto external devices like a TV.
- Fn + F5: Quickly opens the default web browser.
- Fn + F6: Reverts the song to the previous one.
- Fn + F7: Plays or Pauses the currently playing song.
- Fn + F8: Advances to the next song.
- Fn + F9 / F10: Increases/Decreases volume.
- Fn + F11: Mutes the sound on the laptop.
- Fn + F12: Enables/Disables WiFi.

- Fn + Up Arrow: Utilizes the Page Up function.
- Fn + Down Arrow: Utilizes the Page Down function.
- Fn + Left Arrow: Utilizes the Home function.
- Fn + Right Arrow: Utilizes the End function.

6. Function Key Features on Lenovo Laptops

- Fn + F1: Puts the laptop to Sleep.
- Fn + F2: Turns off the computer screen.
- Fn + F3: Projects the laptop onto an external TV screen.
- Fn + F4: Closes the active window.
- Fn + F6:Enables/Disables Touchpad on the laptop.
- Fn + F8:Shows all running applications.
- Fn + F9: Plays or Pauses the song.
- Fn + F10: Stops the song.
- Fn + F11: Skips back to the previous song.
- Fn + F12: Skips forward to the next song.

- Fn + Up/Down Arrow: Adjusts screen brightness.
- Fn + Left/Right Arrow: Adjusts the volume on the laptop screen.

7. Function Key Features on Toshiba Laptops

- Fn + Esc: Mutes or unmutes the sound on the laptop.
- Fn + F1: Locks the computer, projecting it onto an external waiting screen (not available on all models).
- Fn + F2: Activates power-saving mode on the laptop.
- Fn + F3: Utilizes low-power mode on the laptop.
- Fn + F4: Puts the laptop into Hibernation mode.
- Fn + F5: Projects onto an external TV screen, choosing from 4 modes.
- Fn + F6 / F7: Adjusts screen brightness on the laptop.
- Fn + F8: Turns on or off WiFi on the laptop.
- Fn + F9: Enables or disables the Touchpad on the laptop.
- Fn + F10: Enables or disables the navigation key mode on the laptop.
- Fn + F11: Activates the Numberpad mode (not applicable to laptops with auxiliary keyboards).
- Fn + F12: Uses the zoom in and out feature on the laptop.

Here is a list of some popular laptop brands in Vietnam. Through this, you will discover the Function key features on these laptops and apply them to your own device.

Additionally, if you are interested, explore the functionalities of the F1 to F12 keys on various laptops. The functions of the F1 to F12 keys vary for each laptop.