Before you begin to clean the inside of a PC case, it is important to take precaution and complete what critical first step?
A)discharge all static electricity
B)power down the PC
C)ground the PC case
D)disconnect the power cord

Question

Quizplus · Accepted Answer

Disconnecting the power cord is the critical first step to ensure that there is no electrical power running to the PC, which minimizes the risk of electric shock and damage to the PC components during cleaning.

Before You Begin to Clean the Inside of a PC