My laptop makes a buzzing sound in the headphones when the power supply is plugged in

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My laptop makes a buzzing sound in the headphones when the power supply is plugged in
Buzzing in the headphones while using a laptop can come from several issues. (headphones image by musk from

Computers are all-purpose machines. People use computers for work and entertainment. When a laptop makes a buzzing sound audible in a set of headphones, the issue could originate from a couple of problems.


When playing multimedia applications, there are times when a buzzing or crackling sound is louder than the audio. The problem could be a loose headphone jack plug or a ground loop problem involving other system devices.


The sound properties can be adjusted to mute the PC speakers, which can clash with the headphone jack properties. Another solution is to try a different set of headphones. If the buzzing continues, it is probably the headphone jack on the mother board that is loose or needs replacing.

Expert Insight

Buzzing can also be a product of having the wrong audio driver loaded for the audio system. A user should always ensure that the latest operational system and audio upgrades are current for system use. Always use caution when removing the headphones from the headphone audio jack.


The power supply would not cause the buzzing problem. If there was a power cord problem, the system would have a problem during start-up and would most likely shut down at that point.

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