This is the first thing that you should do. Perform a power reset and see if it works for you. Some laptops have a power reset button. If your laptop has such a button, use it to perform a power reset ...
The problem might be with your keyboard. To verify this, connect another keyboard and observe the results. If the problem disappears, it might mean your keyboard is faulty or that its Caps Lock key ...
Is there any way to remove the delay that has been added to the caps lock key on the Mac Book Pro? That this happens under Windows in Boot Camp and some googling reveals Apple USB keyboards do the ...