: Basic instructions that define how the hardware responds to these keys before the OS even loads. 2. Sourcing Drivers by Manufacturer
: Some laptops allow you to swap the "Hotkey" and "Function Key" behavior in the BIOS/UEFI menus.
The Fn key is not a standard HID (Human Interface Device) key handled solely by the operating system. It usually functions through a combination of:
: Software that interprets the Fn combinations and displays on-screen indicators (e.g., brightness or volume bars).
: Drivers that allow the OS to talk to the hardware-specific buttons.