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Crucial Exams

CompTIA A+ 220-1102 Practice Question

What should be done first to ensure safety before starting any repair work on a computer's internal hardware?

  • Open the computer's casing to access internal components

  • Briefly touch the metal parts inside the computer while it’s still powered on to discharge any static electricity

  • Remove all external devices connected to the computer

  • Disconnect the power cord from the computer

CompTIA A+ 220-1102
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