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.
Connecting a mouse using a Microsoft Bluetooth transceiver with First Connect. Some Bluetooth mouse models include transceivers with buttons on them to make it easier to pair the device to the computer. Plug the Microsoft Bluetooth transceiver into a USB port.