You are working as a technician at certifyme.com. You are troubleshooting a
computer that will not pass the power-on self test (POST).70-431 Which of the following
components may be defective if a computer will not complete a POST correctly?
(Select TWO).
A. CPU
B. memory 312-50
C. hard drive
D. power supply
E. CD-ROM
Answer: A,B
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