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Fn keys - What, Where and How?
Hi everyone!
I am interested in finding out how the Fn key actually works. For example, pressing Fn+'up' increases my volume. What is fundamentally going on here? Is there a 'hot-key' program running in the background? Is it a part of the BIOS, and therefore not part of Windows? Can I change the command - for example making Fn+'up' mean increase screen-brightness, instead of volume?
These are purely theoretical questions. I simply want to know how it works.
Thanks!
Laurens
PS. The theory can be applied to finding out what happens when I press Fn+F3 and Bluetooth starts up, in order to answer the question posed here: How to change bluetooth tray icon?