Function Keys Not Working on Windows 10? Here are the Fixes https://blogs-hunt.uk.com/function-keys-not-working-on-windows-10-here-are-the-fixes/
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A function key is one of the “F” keys located along the top of a computer keyboard. On several keyboards, these range from F1 to F12. On some laptop computers and smaller keyboards, the function keys may serve a specific function such as the volume, screen brightness, screen lock, refresh, mute, etc.