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| August 9, 2012


When you check your motherboard power connection with a multimeter, you find that the 12V rail is providing 12 volts of power, the 5V rail is providing 5 volts of power, and the 3.3V rail is providing no voltage. Which of these is the most likely conclusion that you can make from these measurements?

A) The power supply does not provide a 3.3V rail

B) The motherboard is not using any components that require 3.3 volts

C) The power supply is faulty

D) 3.3 volt power is provided through a separate power connection

E) Power can be shy, just give it some time

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Category: CompTIA A+ Pop Quizzes

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