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Thread: Help: Constant buzzing sound through audio port

  1. #1

    Default Help: Constant buzzing sound through audio port

    Hi guys,

    I am facing an irritating problem. There is a constant buzzing sound in my headphone/speakers. Itís not that much loud and normally not audible when I play songs/movies. But when the speakers/headphone is idle, the sound becomes quite annoying, similar as the humming of mosquitoes.

    I have googled for solutions but can't get to a fixed one. Some are saying it may be for earthling/grounding problem, some saying itís the connection of audio port to the mainboard and suggests for using a soundcard, some referring to magnetic interference of HDD.

    I have assuming it could be because of grounding as sometimes I feel mild shock when I touch my casing. Any idea how to ground properly?

    Any other ideas which could solve the issue? If you need any further details, please just let me know.

    Looking forward to your replies and hoping to find a solution for this problem which is nagging me for a long time.

    Happy new year to all. Cheers

  2. #2
    Member rummoi's Avatar
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    Same here. When i plug in a usb device near the audio port , that buzzing sound occurs. So i remove that usb device or plug in that device far from that port and the problem is solved.

  3. #3
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    use the 3.5mm back port from motherboard and see whether there is buzzing. Usually the 3.5mm in front panel of casing have this problem due to poor shielding of cables.

    if you want to ground, just tape a wire from your casing to the ground. Cheap solution. Or connect your pc with 3 pin plug to main socket.

  4. #4
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    Quote Originally Posted by [email protected] View Post
    use the 3.5mm back port from motherboard and see whether there is buzzing. Usually the 3.5mm in front panel of casing have this problem due to poor shielding of cables.

    if you want to ground, just tape a wire from your casing to the ground. Cheap solution. Or connect your pc with 3 pin plug to main socket.
    ^^ this is the solution. But poor cable shielding is not the only cause of this problem, front panel circuitry design can also play part in here.

  5. #5

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    Thanks guys for suggestions. I am using a 3-pin plug to main socket and my speaker is connencted to the back panel audio port which is also making the noise.

    Anything else I could try?

  6. #6
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    Either an unstable PSU generating a flawed wave of current, or a bad cable to your speaker if you've made sure that there are no imminent connection issues.

    The power wave could even be unstable at your mains, it may not even be your PSU. Get a multimeter and get to work, etc.

  7. #7
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    yeah if you are sure about sound cables, it has to be your psu or the power connection to your pc is not stable. I faced this one before. Sometimes the power sockets cant pull enough power from wall due to poor cabling or using too much multi plugs. Did you try with alternate headphones ?

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