To make sure that there is sufficient power for the Bluetooth device, disconnect any unnecessary USB devices, and then test the device with no other USB devices connected. Make sure that the device is plugged in to the root hub or to a powered USB hub (not a "bus-powered" USB hub. This kind of hub is actually not powered).
To resolve this issue, use the following methods in the order that
they are presented.
Note This resolution requires that you have a wired mouse and
a wired keyboard.
Method 4: Find the Wireless Link icon in Control Panel, and then reestablish
the link with the wireless desktop
Windows XP
Click Start, and then click
Control Panel.
Click Printers and Other Hardware.
Click Wireless Link.
Note If there is no picture of a Bluetooth device on the first tab,
the software is not installed correctly. Remove the software and then continue
with this procedure.
Click the Bluetooth tab.
If the device does not appear in the list of devices, click
Add, and then follow the instructions to add the
device.
If the device does appear in the list of devices, check the
status. The following possible states exist:
Authenticated
Connected
Last Seen
If the device state
is listed as Last Seen, try to use the device.
If the status flickers between
Authenticate and Connected, communication
exists between the device and the computer.
Click Properties, and then click
Services.
Click to select the Drivers for
Device check box.
If the device has a check box next to it that is selected,
click to clear it.
Note If you use the wireless link to add the device, the device is not set as
the default device.
Click OK.
Click Properties, and then click
Services.
Click to select the Drivers for
Device check box.
Click to select the check box on the wireless link
properties.
If the link is not reestablished, use Control Panel to
remove the device, and then try to add the device again.
Windows Vista
Click Start
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, click Control Panel, click Hardware and Sound, and then click Bluetooth Devices.
If the device does not appear in the list of devices, click
Add, and then follow the instructions to add the
device.
If the device does appear in the list of devices, check the
status. The following possible states exist:
Authenticated
Connected
Last Seen
If the device state
is listed as Last Seen, try to use the device.
If the status flickers between
Authenticate and Connected, communication
exists between the device and the computer.
Click Properties, and then click
Services.
Click to select the Drivers for
Device check box.
If the device has a check box next to it that is selected,
click to clear it.
Note If you use the wireless link to add the device, the device is not set as
the default device.
Click OK.
Click Properties, and then click
Services.
Click to select the Drivers for
Device check box.
Click to select the check box on the wireless link
properties.
If the link is not reestablished, use Control Panel to
remove the device, and then try to add the device again.
To troubleshoot problems with Bluetooth-enabled devices in Windows Vista, follow the instructions in the "Troubleshoot problems with Bluetooth-enabled devices" topic in Windows Vista Help and Support. To view the topic, follow these steps:
Click Start
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, and then click Help and Support.
In the Search Help box, type Troubleshoot problems with Bluetooth-enabled devices, and then click Search Help.
If the earlier methods fail, try to use the devices on another
computer. The hardware may be defective. If the issue still
persists, and if the devices work on another computer, there may be a problem with
the operating system.
After you connect the devices from the
Wireless tab in Control Panel, you do not have to press the
connection button that is on the bottom of the mouse or keyboard.
If you do press the connection button on either of the
devices, the detection will break. In this case, you must return to the
Wireless tab and run the wizard again.
When the transceiver is unplugged, the Bluetooth Radio category in Device Manager is removed. However, the wireless links icon is still displayed.
For help with device problems in Windows Vista, visit the following Microsoft web page: