The memory on a Certkiller .com laptop is upgraded but the keyboard does not function, however
the touchpad is working. Explain the most likely cause of this by choosing from the following.

A.
The RAM is not seated properly.

B.
The keyboard connector must be replaced.

C.
The RAM type is incorrect.

D.
The keyboard connector is not seated properly.

Explanation:
On models where the memory modules are seated under the keyboard, it is easy to forget or not
setting the keyboard connector properly when assembling the computer after the upgrade.