If your keyboard has a little lock icon on the Esc or Fn key, press . Now your F keys do what they say – F5 refreshes, F2 renames.
Toggle it by pressing (on most keyboards) or via BIOS settings. function key lock
By understanding how to use the Function Key Lock, you can unlock the full potential of your keyboard and improve your productivity. If your keyboard has a little lock icon
Different manufacturers use different shortcuts to enable or disable the lock. Here are the most common methods: or toggling the keyboard backlight.
Used for hardware functions like adjusting brightness, volume, or toggling the keyboard backlight.