One key on laptop keyboard not working

Problem description:

One key on the laptop keyboard is not working. All other keys work properly. The faulty key doesn’t work even if you press on it very hard.

Possible cause:

Keyboard failure.

Possible troubleshooting steps and repair solution:

If you are experiencing a problem with only one key and all other keys work normal, you have a faulty keyboard. You’ll have to replace the keyboard with a new one. The keyboard is a sealed unit and cannot be repaired.