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.
Earlier Apple wireless devices. Use a wired mouse or trackpad, or the built-in trackpad if you're using a Mac notebook, and follow these steps to set up your earlier Apple wireless devices (like the Apple Wireless Keyboard, Magic Mouse, and Magic Trackpad): 1  Make sure your device is powered on.