The mouse or keyboard
has stopped working
Solution 1
Make sure the keyboard/mouse is firmly plugged into the back
of the computer
Solution
2
Try unplugging one or both, and then reinserting it into the
back of the computer
Solution 3
Try plugging your USB keyboard/mouse into a different USB
socket
Solution 4
Replace the
keyboard/mouse with one that you know works
Solution
5
If you cannot see any lights on your keyboard when you press
the Caps Lock or Num Lock key, it may be a dead keyboard
Solution
6
Make sure there is no dirt or fluff clogging up either the
optical laser or roller ball on the underside of your mouse. It may require a
clean
Solution 7
If you are using a wireless keyboard/mouse, try pressing the
reset button on the device or replace the batteries.