Is my graphics card causing audio interference in my speakers?

Terry Fan · May 25, 2013

I built a new computer and when I plug my desktop speakers into it I hear this constant, faint, high-pitched screeching noise and it won't go away.

I've read around the internet and it sounds like it has something to do with EMI interference from the graphics card and some other technical terms I don't really understand.

I've tried using FurMark and playing games, and graphics-intensive tasks definitely has an influence on the audio interference to my speakers. Any idea how I could remedy this?

My specs:
Windows 7 x64 Ultimate
Gigabyte 970A-UD3 Mobo
Gigabyte HD 7950 Gpu

ksham · May 25, 2013

If you remove the GPU, is the high-pitched noise gone?

Terry Fan · May 25, 2013

ksham :

I will have to try this when I get a chance. Here's what I DO know:

- Other audio works perfectly fine. I can listen to music and everything, but the screeching is still there, just not noticeable.

- The screeching problems began before I installed any audio drivers and they persist after getting the latest drivers.

- I've tried plugging the speakers into different outlets and such, no luck.

- I don't hear any screeching when listening with headphones.

- There's no screeching at the BIOS screen, it starts when the system starts to boot into Windows.

- Onboard audio drivers are from VIA.

- These are pretty old speakers (maybe around 10 years old) but I've never had a problem with them on my old computer (which was bought around 2007-ish)

- The screeching gets louder if there's something graphical going on on screen, this includes moving the mouse wheel while on a web page.

- I've tried uninstalling the software that came with the mobo, e.g. EasyTune6 and so on.

smeezekitty · May 25, 2013

Alot of speakers, especially low quality ones are susceptible to EMI. Try rerouting the audio-in cables.

My wireless adapter makes noise in my cheap speakers. Rerouting the cable significantly reduces it.

Try many combinations.

bryonhowley · May 25, 2013

Terry Fan :

Are you sure you have the correct audio drivers installed? That board comes with a Realtek ALC889 audio codec not VIA. You can get the latest drivers for the audio codec here http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=24&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false . Give them a try and see if it helps.

Terry Fan · May 25, 2013

bryonhowley :

Definitely VIA audio. You may be confusing it for the 990FX-UD3, which is Realtek. The 970A uses VIA audio, I made the same mistake yesterday and already tried the Realtek drivers.

smeezekitty :

I think you may be onto something. I tested the speakers by plugging them into a different computer. No problems.
I tested the new computer by plugging in a different set of speakers. Also no problems.
What would 'rerouting' it involve? Different outlet?

smeezekitty · May 25, 2013

Try coiling the audio cable
Try running it as far from the GPU as possible
Try wrapping it around the monitor cable

It is hard to say but if it configured right it might cancel out the magnetic field.

Terry Fan · May 26, 2013

Problem was resolved by plugging the speakers in via an adapter without a grounding cable.

user5910 · Mar 4, 2017

Terry Fan :

Fixed it for me. (Why didn't I think of that?)

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Is my graphics card causing audio interference in my speakers?

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ksham

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Terry Fan

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smeezekitty

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bryonhowley

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Terry Fan

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Terry Fan

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