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Solved: disable rear sound output?

Discussion in 'Hardware' started by DougMacp, Sep 28, 2009.

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  1. DougMacp

    DougMacp Thread Starter

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    Hi All, I hope someone can help - I have the Asus M3N78 Pro motherboard running Vista 64 with Realtek HD Audio, v.6.0.1.5745 which is the most recent driver. When I connect headphones to the front audio I get sound through the headphones ok but it doesn't stop the sound from the rear output. How can I set it so that when I plug headphones into the front sound port it auto-disables the sound from the rear? In the Realtek sound managers 'device advanced settings' I've set the radio button where it says 'mute the rear output device,when a front headphone is plugged in' but I still get rear sound when I use the 'phones in the front output. The BIOS settings just allow the switch from HD audio/AC97 and changing this doesn't make any difference.

    I'd be grateful of any advise or help. Thanks!
    :confused:
     
  2. Gr3iz

    Gr3iz Mark

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    Did you reboot after making the changes? I've found that I had to do that on an Asus board when changing from 2 channel stereo to 5.1 channel sound.
     
  3. DougMacp

    DougMacp Thread Starter

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    Sadly yes i have rebooted, but the problem still persists
     
  4. DougMacp

    DougMacp Thread Starter

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    I've been all over the internet with this query but I can't find a way around it - I'll remove the driver then reinstall - here's hoping.........
     
  5. DougMacp

    DougMacp Thread Starter

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    I got a reply from another Forum - he thinks that it may be the front jack on the case is AC97 compliant and not HD audio,therfore the motherboard doesn't disable the rear speaker as it's not found an alternate HD audio source. I don't have any specs for the chassis so have no clue how to tell if the output is HD audio or AC'97 but I'll check it out.
     
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