You are troubleshooting an iMac (Late 2013) that does not power on. You notice that all
diagnostic LEDs remain off when a known-good power cord is connected to the iMac and to
a known-good power outlet. What is most likely the cause of these symptoms?
A.
Faulty power supply
B.
Faulty display panel
C.
Faulty hard drive
D.
Faulty video card