My Fn key is not working. What should I do?

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If you are experiencing issues with the Fn key on your keyboard, please try the following steps to troubleshoot the problem:

1. Test with “Test Matrix” ON or Hotkeys: Most key testers cannot detect the Fn key, but you can test it by enabling the “Test Matrix” feature in VIA if your keyboard supports VIA. This feature allows you to check the functionality of each key individually. Alternatively, you can try using the Fn+L combination to open/close the RGB settings and test if the Fn key is responsive.
2. Restore factory settings: In the keyboard driver or by following the instructions in the manual, try restoring the keyboard to its factory settings. This can often resolve software-related issues. For QMK version keyboards, you can perform a reset by holding down the Esc key while plugging in the keyboard. Afterward, reconnect the keyboard to complete the reset process.
3. Check for additional troubleshooting: If the Fn key still does not work after the reset, you can refer to the following article for further guidance: Link to the article on fixing keyboard issues.