. This toggles the function key's primary behavior as explained in this Lenovo Guide replacement keycap
A keyboard "refresh" key or command is a shortcut used to reload the content on your screen, whether it's a webpage, a folder in File Explorer, or a desktop view. While most modern keyboards don't have a dedicated button labeled "Refresh," specific standard keys and combinations perform this action across different operating systems. 1. Standard Refresh Shortcuts keyboard refresh key new