The computer is always buzzing, not a fan, where is it

The computer is always buzzing, not a fan, where is it?



Generally, only fans have sounds, others will only ring when there is a problem with the hard disk
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It is possible to read the sound of the hard disk





It is the hard disk, it is estimated that the hard disk is going to be Finished, ready to change it






It should be the sound of the hard disk at work, or the line is on the fan, causing a sound.





There is a problem inside the computer





The sound of the hard disk reading





It is the mechanical motor sound of the hard disk, be careful that such a hard disk is about to be damaged





The hard disk is ringing, The sound of this mechanical hard disk when it is rotated.






Hard disk, should go check






It should be The sound of the hard disk.