HP Compaq Presario,Presario V4000 Hardware And Software Manual page 130

The 802.11 wireless and Bluetooth devices have 2 power states:
Enabled
Disabled
You can enable and disable the wireless devices with the wireless
button. When the wireless devices are enabled with the wireless
button, you can use Wireless Assistant (select models only) to
turn on and off the devices individually. When the wireless
devices are disabled, you must enable them before you can turn
them on or off with Wireless Assistant.
To view the state of your wireless devices, place the cursor over
the Wireless Assistant icon in the notification area (at the far right
of the taskbar), or open Wireless Assistant by double-clicking the
icon in the notification area. Wireless Assistant displays the status
of the devices as on, off, or disabled.
For more information about Wireless Assistant:
1. Open Wireless Assistant by double-clicking the icon in the
notification area.
2. Select the Help button.
Hardware and Software Guide
Wireless (Select Models Only)
11–13