HP EliteBook 840 G3 - Manual (Page 22)

Component Description
(1) esc key Displays system information when pressed in combination with
the fn key.
(2) fn key Executes frequently used system functions when pressed in
combination with a function key, the num lk key, the esc key, or
the b key.
(3) Windows button Displays the Windows Start menu.
(4) Function keys Execute frequently used system functions when pressed in
combination with the fn key.
(5) num lk key Alternates between the navigational and numeric functions on
the integrated numeric keypad.
(6) Integrated numeric keypad When num lk has been enabled, it can be used like an external
numeric keypad.
12 Chapter 2 Getting to know your computer