Not so neutral

You are using a multimeter to check the voltage from your power supply to your motherboard, and you notice that the 5 volt pin is showing 5 volts, but the 12 volt pin is showing 7 volts. What is the most likely cause of this issue?

A) The motherboard power connector is faulty

B) The power supply is faulty

C) The wall outlet power source is faulty

D) The BIOS is faulty

E) The San Andreas is faulty