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#1
How to troubleshoot hardware?
My computer sometimes (yes only sometimes) give strange noise, the noise is not constant and only lasts for a few seconds, but the noise doesn't sound usual. It doesn't happen very often, on average one time for a day, lasting for about 10 seconds. No particular operation is being done to the computer when such noise happens. I listen carefully to the computer but can't figure out where the noise is coming from.
The computer works fine now. Superficially everything is fine.
Is it a problem?