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Which would you do first when troubleshooting a faulty monitor?

  • A.Check its connections to the computer and power source
  • B.Use a meter to check the CRT and internal circuitry for continuity
  • C.Power down the monitor, then turn it on again to see if that corrects the problem
  • D.Power down the computer, then turn it on again to see if that corrects the problem

Answer: A

Correct answer: Check its connections to the computer and power source

Cables and power are checked first because they are the commonest fault, cost nothing to check, and carry no risk. Opening a monitor exposes stored charges of tens of kilovolts and should never be the first step.

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