HP 4340S manual Keys, Fn key

Component		Description
(3)	Web browser button	Opens the default Web browser.
(4)	Wireless button	Turns the wireless feature on or off but does not establish a
		wireless connection.
(5)	Fingerprint reader (select models only)	Allows a fingerprint logon to Windows, instead of a
		password logon.

Keys

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 keys.
(3)	Windows logo key	Displays the Windows Start menu.
(4)	Function keys	Execute frequently used system functions when pressed in
		combination with the fn key.
(5)	Embedded numeric keypad keys	When the keypad is turned on, it 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.

10 Chapter 2 External component identification