HP Pavilion DV4000 Hardware And Software Manual page 15

Component ID
Component
3
Wireless button
(select models only)
4
Volume mute button
5
Volume up button
1–6
Description
Turns the wireless functionality on or
off, but does not create a wireless
connection.
To establish a wireless
connection, a wireless network
must already be set up. For
more information, refer to
Chapter 11, "Wireless (Select
Models Only)."
Mutes or restores volume.
Increases system volume.
Hardware and Software Guide