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

There’s nothing more cursed for a PC gamer than having your WASD keyboard layout swapped with the arrow keys, or vice versa. Well, there are more cursed things, but this one is definitely frustrating.

Are some keys on your laptop or external keyboard unresponsive while the rest work fine? It's a frustrating problem, especially when you have important work to finish. The good news is, you don't ...