1.After you install Widcomm software, plug Bluetooth USB into USB port.
If you see nothing is happening in your system (using Windows-XP+SP1
(Some machines) or Windows-XP+SP2, maybe the problem is that the
Bluetooth USB Dongle is using Microsoft default driver.
Right-click on the “My PC” icon and select System Properties
2.Please open Device manager on the Hardware tab.
3. Look for a Bluetooth wireless device named “Cambridge Silicon Rabio Ltd.
Bluetooth Adapter”. If you can see it, then you are not using Widcomm
software, because “Cambridge…” is the Microsoft default value. Please select
it and follow the next step.
4.Double Click on it to open the device properties an look for the “Update
Driver” button and click on it.
5.
Please choose item at “Install from a list or specific location (Advanced)”,
then click “Next ” button.