HP DV4 manual Buttons, speakers, and fingerprint reader, Security Power Options

External component identification

Buttons, speakers, and fingerprint reader

Item	Component	Description
1	Speakers (2)	Produce sound.
2	Power button*	When the computer is off, press the button to turn on the computer.
		When the computer is on, press the button to initiate Sleep.
		When the computer is in Sleep, press the button to exit Sleep.
		When the computer is in Hibernation, press the button to exit Hibernation.
		If the computer has stopped responding and Windows shutdown procedures
		are ineffective, press and hold the Power button for at least five seconds to
		shut down the computer.
		To learn more about power settings, select Start > Control Panel > System
		and Security > Power Options.
3	Volume Mute button	Mutes and restores speaker sound.
4	Volume Scroll zone	Adjusts speaker volume. To decrease volume, slide your finger to the left or
		tap the minus sign on the scroll zone. To increase volume, slide your finger to
		the right or tap the plus sign on the scroll zone.
5	Wireless button	Turns the wireless feature on or off but does not create a wireless
		connection.
		✎ A wireless network must be set up in order to establish a wireless
		connection.
6	Fingerprint Reader 	Allows a fingerprint logon to Windows, instead of a password logon.
	(select models only)

*This table describes factory settings. For information about changing factory settings, see the user guides located in Help and Support.

Maintenance and Service Guide 2–3