Northern Ireland is the smallest of the four countries of the United Kingdom in terms of both area and population, containing 2.9% of the total population and 5.7% of the total area of the United Kingdom.
All Microsoft mouse wireless USB devices include a USB connector called a receiver. If your wireless mouse did not include the receiver, the most likely reason is that the mouse is a Bluetooth device. Therefore, some steps in this article may not apply. Try to connect the receiver to a different port.
Connect a USB mouse to an open USB port with the computer turned off or on. If the mouse has a cord, the operating system detects it and it becomes usable immediately. If the mouse has more than two buttons, you may need to install driver software from the manufacturer to make the extra buttons usable.