Answer:
C. Make sure the case fans are plugged in.
Step-by-step explanation:
The computer system is a electronic device made up of interconnected components that is managed by a operating system software.
The processor of the computer system is its processing unit and it heats up over time. As the heat builds up, without a heat sink and an active fan, the system tries to regulate the temperature by shutting down. So the work of the fan in the system is to cool up the processor to avoid unexpected shutdown of the system.
So, when troubleshooting the computer system, confirm the state of the fan.