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

If your keyboard just isn't doing anything when you type on it, that's a problem. Fortunately, though, it's often a problem that's relatively easy to fix. You might need to turn it off and on again, ...

A non-functioning (or improperly functioning) keyboard can be a sizable problem if you interact with your computer beyond just mouse-clicking. Writing, coding, gaming, composing, editing, or even ...