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A user reports that their desktop computer is emitting a loud grinding noise shortly after being powered on. Which component is MOST likely to be responsible for this noise?
Dirty or dusty case
Failing Hard Drive
Malfunctioning Thermal Paste
Faulty Optical Drive
The correct answer is 'Failing Hard Drive' because mechanical hard drives contain moving parts such as the actuator arm and spinning platters that can produce a loud grinding sound when they are failing. Dust in the case does not typically produce grinding noises but may instead result in overheating or noise from fans working harder than normal. Thermal paste does not make noise when it fails, instead bad or missing thermal paste often results in unexpected overheating and power failures.
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