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April 01, , I should have made that clearer. Whilst thinking about your noise problem I wondered if you had the latest BIOS for your board and, if you are not running the latest version, it would be worth doing, just to eliminate this as a source of the problem. It’d be nice to post your veredict. I’ve also removed the front panel audio connector, but this also made no difference. High pitched whines are commonly caused by DC motors and as they increase their speed to cool components, so they draw more power and the whine changes, rising and falling in pitch. Perhaps a ground loop would be causing interference here?

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I also tried the spread spectrum option for the southbridge, which, if anything, made it slightly louder. It has made no effect to the audio interference.

Audio over HDMI? (GA-MA78GM-S2H) – AVS Forum | Home Theater Discussions And Reviews

I downloaded new driver’s from the Realtek site this morning so I’ll try that tonight after work. If it is software based a complete, clean, re-install of the OS gigabytw then installing drivers again, one at a time, then testing the system before moving to the next driver, is the only truly reliable way of pinpointing the cause.


I’ve had to disable the sound scheme in Windows 7 on my rig to solve click and pop noise issues and this was after a lot of swearing, re-seating components etc. I don’t have much if any room in the case for a soundcard, and I’ve already purchased an external graphics card as the onboard would not function with my TV. May 22, Messages: At this stage of trouble shooting, it really is a case of trying every component, one at a time, until you can find the root cause, which could be anything if it is hardware based.

Believe me, the one and only thing responsible for these noises is the Gigabyte EasyTune6 aka PieceOfCrap6 software that came with your mobo when running in the system tray. I’m in the same boat as you, no audio out over HDMI. The only thing that makes it ga-ma78vm-s2h in my headphones is changing the setting to front speakers.

GA-MA78GM-S2H audio interference

It’d be nice to post your veredict. Hi alexhull24, I had the same noises but I solved them.

As this is one of the options I automatically adjust I wasn’t aware that at its default setting it could cause this issue so I have learnt ga-maa78gm-s2h today! I notice Realtek have 2.

Sound Problems with GIGABYTE GA-MA78GM-S2H

If its everyone then I agree that this is a fundamental flaw. I would welcome any further assistance. Anyone else having similar issues?


January 19, Finally this evening, I found a post can’t remember which website that suggested changing the Windows power setting from “Balanced” to “Performance”. As the noise increases with PC activity and also with mouse movement it got me wondering what type of mouse you are using. Audio drivers are latest from the gigabyte website.

Download Gigabyte GA-MA78GM-S2H (rev. 2.x) Realtek Audio Driver Free

I should see if it does it before windows is booted too, that may help narrow things down. Do you have some further information on this issue you suggest? Home Help Login Register.

What are the requirements to make this work? Must be some problem with ATI Jan 28, Messages: I’ve been trying everything I could find on any forum – none of which helped. No, create givabyte account now. Share This Page Tweet. If not, could you try a basic PS2 one? Yes, my password is: I know their different setups but seeing if I was the only one.

The fact that it responds to mouse movement leads me to believe the source is somewhere else.