CompTIA A+ Question A-52

A keyboard has been replaced on a laptop. Which of the following is the MOST likely cause that the keyboard does not work?

A. The keyboard data cable was not connected properly.
B. The keyboard is not compatible with the laptop.
C. The keyboard needs updated drivers.
D. The keyboard is defective.

Correct Answer: A

There is a small data cable beside the keyboard which is connected to the board. Check the data cable and make sure it is connected securely.