Which of the following is LEAST likely to be considered a consumer replaceable part in a laptop?

A.
RAM

B.
LCD screen

C.
Optical drive

D.
Hard drive

Explanation:

LCD is a delicate component with lots of other small components that are crucial to LCD.
Consumer cannot be able to replace an LCD without damaging its internal components and the
things it relies on, for example, the laptop inverter. That’s why it is the least likely replaceable part
of laptop from consumer perspective.