How does the Vista system delete the Bluetooth device icon that was connected to the computer?

                  Under Windows Vista, a Bluetooth device that has been connected will have an icon left on the computer. How can I delete it? Operation steps: Double-click the Bluetooth icon in the notification area in the lower right corner of the screen or right click, as shown in the figure below, select the device under the “Device” tab in the pop-up bluetooth device, click the delete button (as shown in the figure) or in the following window In the middle or open bluetooth window, find the device, right click and select Delete. The icon of this device will no longer be displayed on the computer.