A computer user logs a problem stating that the computer is emitting a loud clicking noise. Which device should the technician check first?

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Question:
A computer user logs a problem stating that the computer is emitting a loud clicking noise. Which device should the technician check first?

hard drive
CPU fan
power supply
motherboard

Explanation: If a hard drive makes repeated clicking or tapping sounds when the computer is idle, the hard drive is failing. Make a backup and replace the drive as soon as possible. Invalid boot disk errors and files that suddenly will not open are symptoms of hard drive issues.

Exam with this question: IT Essentials (ITE v7) Chapter 9 Exam Answers