HP Compaq Presario,Presario R4000 Hardware And Software Manual page 137

Wireless (Select Models Only)
Your notebook has a button that can 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 1 and light 2.
In addition to the wireless button and light, your notebook has a
software utility, Wireless Assistant, 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 about using Wireless
Assistant, refer to
11–2
"Device Power States," later in this chapter.
Hardware and Software Guide