Subject

    Computer Science

    Topic

    Computer Hardware

    PC has no video at power-on. Which is least likely the cause?

    a)
    Defective RAM (bank 0)
    b)
    Defective CPU
    c)
    Crashed hard drive
    d)
    Loose video card

    Explanation

    Video appears before HDD access. RAM/CPU/GPU issues prevent any display; a bad HDD won’t stop early video.

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