How to reverse the F-Keys of Logitech K380 Keyboard

I have been using my Logitech K380 Keyboard for about a week now and I’m very happy with it.

I like it because it is quiet, has some weight on it and it can connect and quickly switch to 3 devices with a press of the button.

When I received it when I press the F-keys, its default behavior is to use alternate functions like control the volume and media.

If I wanted to use F1 or F2 I have to click on the fn key then press the F-key. As someone who uses a lot of the F-keys due to my work, this is annoying.

Luckily, I was able to solve this issue by reversing the behavior of the F-keys. Now when I press the F11 to full screen my chrome browser it will work without pressing the fn key.

I think some people call this process Fn Lock

Follow the instructions below to reverse the behavior of the F-keys.

1. Install Logitech Options

Go to https://www.logitech.com/en-ph/product/options and download Logitech Options and Install it.

This is available in Windows and Mac.

2. Adjust the settings in Logitech Options

Open Logitech Options.

Make sure that your Keyboard is selected.

Check Use F1-F12 as standard functions keys.

Once you have checked that, you will be able to use the F-keys without pressing the fn key.


Experimenting with Logitech Options

I did some experiments on Logitech Options to see what would happen in different situations. See the results below.

When I uninstalled Logitech Options it reverted the settings of the keyboard to the previous one. So Logitech Options should always be installed to retain the behavior that F-keys can be used without pressing the fn key.

Logitech Options are installed locally per user in Windows. When I switched to another user profile, the F-keys is back to their original setting. I had to install Logitech Options on every user profile for the F-keys to function without the fn key.

The same goes for when switching to another computer. I had to install Logitech Options on all the user profiles.

To switch to another device on the Logitech K380, I need to press the fn key then F1/F2/F3 since switching Bluetooth device is already an alternate function.


I hope this helps you reverse the alternate function of your F-keys in your Logitech K380 keyboard.

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