Buzzing Sound Unable To Locate Source

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  1. Consequences
    Posts : 41
    Windows 7
       New #1

    Buzzing Sound Unable To Locate Source


    I've researched it.. I've listened.. I've removed components. I cannot find the source. Only thing I haven't been able to test is the power supply. Here is a link to a video (ignore the images) to show you what the noise sounds like. Hopefully that can help determine the source.

    Yfrog Video : yfrog.com/ndy5iz

    Nothing is hitting fans and my DVD drive isn't even currently inside of the machine. I have nothing my rear case fan though intermittently stop working.. slowing then spinning back up a few times but nothing it hitting the blades. Also my two big LED side intakes went out then came back on all on their own. Heeeeelp.

    AMD Phenom II X4 925 2.8 GHz
    Nvidia GeForce GTS 250 1GB
    500W Power Supply
    2x SATA Hard Drives (160GB & 250GB)
    6x Case Fans
    Windows 7 Home Premium 32bit
      My Computer
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  3. johnwillyums
    Posts : 4,663
    Windows 7 Home Premium 64 bit
       New #2

    It's not very loud. Unless that's something to do with the recording. Sounds like speaker hum rather than an impact noise like a fan catching.
      My Computer
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  4. Consequences
    Posts : 41
    Windows 7
    Thread Starter
       New #3

    Do you mean the internal speaker? Its definitely loud in here with the buzzing. I figure its not any issue with fans because the buzzing does not start until about the time I get the standard POST beep from the motherboard.. thats usually when the buzzing kicks in. I assume if it was a fan it would happen as soon as I powered up the machine.
      My Computer
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  6. rap33042
    Posts : 571
    Windows 7 Home Premium x64
       New #4

    This might sound incredibly stupid, but I use a paper towel tube to localize sounds in my case.

    Did I mention this may sound incredibly stupid?
      My Computer
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  7. A Guy
    Posts : 53,364
    Windows 10 Home x64
       New #5

    rap33042 said:
    This might sound incredibly stupid, but I use a paper towel tube to localize sounds in my case.

    Did I mention this may sound incredibly stupid?
    It is not at all stupid. In many years as a TV tech, I carried a cardboard (non conductive) paper towel tube to locate noises. This is a great way to localize the cause. A Guy
      My Computer
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  8. Consequences
    Posts : 41
    Windows 7
    Thread Starter
       New #6

    I disconnected SATA power from my drives.. booted up and the buzzing stopped. Then reconnected the SATA power.. booted up.. still no buzzing. If the hard drive was failing wouldn't it still make the noise? Is it possible dust on contacts or loose connection...

    This has been a pain in the butt to isolate.

    It is currently not buzzing but I am pretty sure the issue isn't over. It has come and gone before. I just need to make sure I'm not looking at possible hardware failure.
      My Computer
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  10. parabellum
    Posts : 166
    Windows 7 Ultimate x64
       New #7

    I'd bet its the PSU. What brand is it and what is the rail info - 3.3V/12V etc?
      My Computer
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  11. Consequences
    Posts : 41
    Windows 7
    Thread Starter
       New #8

    APEVIA ATX-CW500WP4 500W ATX
    Newegg.com - APEVIA ATX-CW500WP4 500W ATX Power Supply

    This is the PSU I am using. I have a Corsair TX 650 PSU on the way. I've used this power supply for maybe a few years now. I suppose its life is running out.
      My Computer
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  12. parabellum
    Posts : 166
    Windows 7 Ultimate x64
       New #9

    Its the PSU. Apevia isn't exactly a good brand. That Corsair will probably last longer than anything else in your PC.
      My Computer
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  13. Consequences
    Posts : 41
    Windows 7
    Thread Starter
       New #10

    Guess I got lucky since I was able to use it for a couple users under heavy load no less. I needed a new PSU anyways as I just installed a quad core and I'm upgrading to a GTX 260 core 216. I'm pretty tough on my computer as I use it every day and quite often.
      My Computer
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