If your keyboard keys stop working, it doesn't necessarily mean they're broken or need replacement. From checking keyboard ...

If the Keyboard on your Windows computer is typing the same character continuously without pressing the key physically, then some of these suggestions will help you fix the problem. The problem could ...

On most standard computer keyboards you will find an insert key (INS). This key is usually above the arrow keys, and beside the Delete key. Its main use is to switch between two modes of entry: either ...