Don’t worrythis doesn’t necessarily mean it’s about to die.
Below is our list of all the best fixes for computer noises like buzzing, clicking, and vibrating.
If something seems loose,bring up the computerand look around for the source of the sound.

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Look at the metal heatsinks on the graphics card and CPU and see if they’ve collected dust.
The only way to fix that is to replace the fan.
It isn’t necessarily a problem, even if it is annoying.
Test the hard drivefor problems.
If it is starting to fail, you’ll need toreplace the hard drive.
You cantest the power supplyfirst if you have the right tools.
These include:
It very much depends on what kind of “buzzing” sound your box is producing.
Does it sound like an electrical buzz?
Does it sound more like a vibration?
Are the fans spinning up faster and louder than usual?
Does the buzzing sound have a physical grinding sound to it?
You might also try a headset mic.