A technician is troubleshooting a desktop computer that will not power on. After replacing the
power supply, the technician tries to start the desktop, but it still fails to power on. Which of the
following troubleshooting steps should the technician do NEXT?

A.
Question users to determine if anything has changed

B.
Re-establish theory of probable cause

C.
Escalate problem to upper management

D.
Document replacement of power supply