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.
If you are using a wireless mouse with a USB connector and a PS/2 keyboard, verify that the USB mouse is plugged in a USB port on the computer and that the purple keyboard PS/2 plug is connected to the purple PS/2 port on the computer.
To connect a Microsoft wireless mouse to the computer, follow these steps: 1  On the bottom of the Microsoft wireless mouse, open and remove the battery compartment door. 2  Insert two fresh batteries into the battery compartment. 3  Replace and close the battery compartment door.  Plug the receiver into a USB port.