What does it mean when PC starts making clicking/tapping sound?
jack12 1 week ago
What you are hearing is computer morse code that means “spend some money and fix me.” Preserve all your data immediately and stop using it. Clicking sounds usually indicate bad heads in your hard drive. If you continue to use it, the problem will just get worse.
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Hopefully we can rule out the NSA. :)
Interestingly, there's an entire website devoted to hard drive clicking sounds. It lists more than a dozen possible reasons, along with links to information for each possibility.
Good luck with it.