You Here a Rattle in an Employee's Computer and You

Multiple Choice

You here a rattle in an employee's computer and you open the case while the computer is still running. You notice a loose cable and reach in to tighten the connection. The fan is also making a noise so you use WD-40 to lubricate the fan. What safety errors have you just committed? Choose all that apply.

A) Never use WD-40 to lubricate a fan.
B) Never tighten a loose connection in a PC.
C) Never reach into a PC case without taking ESD precautions.
D) Never open a PC while it is running.