HP (Hewlett-Packard) C2K07UA#ABA ユーザーズマニュアル

A hot key is a combination of the 

fn

 key and the 

esc

 key.

To use a hot key:

Briefly press the 

fn

 key, and then briefly press the second key of the combination.

Display system information.

fn

+

esc

Displays information about system hardware components and the
system BIOS version number.

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Chapter 5   Navigating using touch gestures, pointing devices, and the keyboard