A Colleague Is Putting Together a New Computer

Multiple Choice

A colleague is putting together a new computer. He turns on the system after plugging everything up, and notices that while the fans spin, there is no power to the other devices in the system (most notably the motherboard and CPU) . What is most likely the issue?

A) Power supply is faulty.
B) The ATX power connector is loose.
C) The power supply is not plugged into the wall.
D) The motherboard is faulty.