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Windows 7: Buzzing Sound Unable To Locate Source

03 Dec 2010   #1
Consequences

Windows 7
 
 
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 System SpecsSystem Spec
.
03 Dec 2010   #2
johnwillyums

Windows 7 Home Premium 64 bit
 
 

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 System SpecsSystem Spec
03 Dec 2010   #3
Consequences

Windows 7
 
 

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 System SpecsSystem Spec
.

03 Dec 2010   #4
rap33042

Windows 7 Home Premium x64
 
 

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 System SpecsSystem Spec
03 Dec 2010   #5
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Quote   Quote: Originally Posted by rap33042 View Post
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 System SpecsSystem Spec
04 Dec 2010   #6
Consequences

Windows 7
 
 

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 System SpecsSystem Spec
04 Dec 2010   #7
parabellum

Windows 7 Ultimate x64
 
 

I'd bet its the PSU. What brand is it and what is the rail info - 3.3V/12V etc?
My System SpecsSystem Spec
04 Dec 2010   #8
Consequences

Windows 7
 
 

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 System SpecsSystem Spec
04 Dec 2010   #9
parabellum

Windows 7 Ultimate x64
 
 

Its the PSU. Apevia isn't exactly a good brand. That Corsair will probably last longer than anything else in your PC.
My System SpecsSystem Spec
04 Dec 2010   #10
Consequences

Windows 7
 
 

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 System SpecsSystem Spec
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 Buzzing Sound Unable To Locate Source




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