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.
If you are setting up your computer for the first time and the wireless mouse and keyboard do not work, look in the packaging material for a small USB wireless receiver. Some HP All-in-One computers have this USB device pre-installed and do not require additional setup.