If your keyboard keys stop working, it doesn't necessarily mean they're broken or need replacement. From checking keyboard ...
A lot of Apple fans are hoping for future MacBook keyboards that are more durable, and Apple's latest patent presents a potential path toward a solution.
Before troubleshooting the problem, make sure the issue isn't hardware-related. Keys may stop working if they're stuck, physically damaged (such as after a drop), or if the keyboard connection is ...