HP Compaq Presario,Presario 1110 Reference Manual page 115

If your computer cannot detect any Bluetooth devices
• Make sure the wireless indicator light is on.
• Make sure Bluetooth communication is turned on. Click Start, All Programs, Utilities,
Wireless Configuration, then click the Bluetooth button if it's not turned on. If no
Bluetooth button is shown, your computer does not support Bluetooth
communication.
• Make sure the Bluetooth devices are turned on. Some Bluetooth phones must be set
for detection and may be detectable by other devices for only a short time.
If your computer cannot detect a certain Bluetooth device
• Make sure the Bluetooth device is turned on. Some Bluetooth phones must be set for
detection and may be detectable by other devices for only a short time.
• Refresh the list of Bluetooth devices. Double-click the Bluetooth icon in the taskbar,
then click Bluetooth, Search For Devices in the menu bar.
Troubleshooting and Maintenance
Troubleshooting Your Computer
Reference Guide 115