HP 640 ProBook G3 Notebook PC & HP 650 ProBook G3 Notebook PC - Maintenance and Service Guide

Keys
NOTE: Refer to the illustration that most closely matches your computer.
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
other key.
See Using the hot keys on page 17
(3) Windows key Opens the Start menu.
NOTE: Pressing the Windows key again will close the Start
menu.
(4) Function keys Execute frequently used system functions in combination with
the fn key.
See Using the hot keys on page 17.
(5) Embedded numeric keypad A numeric keypad superimposed over the keyboard alphabet
keys that enables you to add, subtract, and perform other
numeric tasks. When num lk is pressed, the keypad can be used
like an external numeric keypad. Each key on the keypad
performs the function indicated by the icon in the upper-right
corner of the key.
NOTE: If the keypad function is active when the computer is
turned o, that function is reinstated when the computer is
turned back on.
(6) Windows application key Displays options for a selected object.
(7) num lk key Turns the embedded numeric keypad on and o.
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