ACPI Hotkeys

Laptops have special functions such as sleep or brightness that are implemented through either buttons outside the main keyboard or key combinations using the Fn key. These are called "hotkeys", and are typically implemented in the laptop hardware and BIOS via the Advanced Configuration and Power Interface (ACPI).

NOTE: This document is a work in progress. ACPI is a complex subsystem and impossible for any one person to fully understand. Please take a few minutes to improve this document with the bits you know!

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See Also

• http://help.ubuntu.com/community/KeyTouch