The older your Laptop gets the more chances are that it starts breaking up and you need to take maximum care of it because even if you start hitting your Laptop’s keyboard keys hardly they can get broken. Generally keys like Enter, Space Bar, Esc, Shift, Alt & Ctrl are heavily used and the chances of them getting broken are more. Here is a small graphical representation which can give you a idea on how to open the top body of your Laptop and slowly replace the keys and fix it. It can be useful only in emergency purpose and when the Laptop model is totally discontinued and spares not available easily.