HP Compaq Presario,Presario V4000 Hardware And Software Manual page 119

Wireless (Select Models Only)
Your notebook has a button that may be used to enable and
disable the 802.11 and Bluetooth wireless devices and an
associated light to indicate the state of the wireless devices. The
following illustration shows the wireless button and light.
In addition to the wireless button and light, your notebook may
have a software utility, Wireless Assistant (select models only),
that enables you to control your wireless devices. Wireless
Assistant is a software utility that enables you to turn on and off
the 802.11 and Bluetooth wireless devices individually. For more
information on using Wireless Assistant, refer to
States,"
11–2
later in this chapter.
"Device Power
Hardware and Software Guide