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Thread: Possible hardware audio issue?




  1. #1
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    Default Possible hardware audio issue?

    Ok first the relevent specs,

    Mobo :Gigabyte GA-EP45T-UD3LR
    GPU: Gigabyte GV-N275UD-896H(gforce 275 gtx)
    OS: Vista Ultimate 32bit

    I built this comp and had everything running. The old 8600 GTS wasnt cutting it, so decided to upgrade. Installed the 275 gtx easily. Everything running awesome untill the Nvidia driver on the installion cd were installed. Audio was completely lost. Any sound test of the audio devices shows the green bar moving but yet no audio. Neither the analog or the high definition output any sound. SPDIF_O cable is properly hooked up to mobo and video card.

    I thought maybe i had just messed something up. So a "quick" re-install of windows was done and the audio drivers from the mobo cd work great, untill the nvidia drivers were installed form the cd that came with the GPU.

    I have tried different audio drivers, with no audio as a result. I have tried different GPU drivers, anything 182.08 or earlier i cant even install and the 185.86 wont hold the screeen size or resolution(unstable). The nvidia drivers from the cd that came with the card (185.85) are the only thing i have found stable video wise, but however kills my audio.

    I dont much care if i get analog or digital audio. I would just like to have one or the other. Anyones 2cp will be appreciated!

  2. #2
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    profJim is online now Chief Munchkin + moderator
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    Default Re: Possible hardware audio issue?

    Have you checked to see if the VOLUME control is muted or turned all the way down?
    Are there any errors showing in window's Device Manger?
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  3. #3
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    Default Re: Possible hardware audio issue?

    It is possible that the Nvidia driver is establishing its HDMI audio device as the default output, thus killing your motherboard audio.

    First, make sure you have your of speakers or headphones unplugged. Next, right click the white volume icon on your taskbar. From the menu, click Playback Devices. In this list select Realtek Digital Output and at the bottom use the button to make it the default output device. Now plug your speakers or headphones in. Go back to the same menu and check to see if a device called "Speakers" appears. It shoukld be present and automatically detected as the default device. If not, set it to default. Now test your audio.
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    Default Re: Possible hardware audio issue?

    Second step with speaker device (will be called this for headphones too) automatically (hopefully) set to default.
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  5. #5
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    Default Re: Possible hardware audio issue?

    First off, thanks for your input!

    I did the steps you described Psycho. First obvious difference was under sounds tab you have 3 audio choices and I only have 2. I unplugged the analog and tested the digital output. The little volume meter for the test was moving but no sound came out. I plugged the analog back in. A window popped up to verify front channel. Clicked ok and tested "speakers" device. Once again the meter moved but yet no sound was produced.

  6. #6
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    Default Re: Possible hardware audio issue?

    Strange. You say the audio works until you install the NVidia drivers. Does the same thing happen if you install just the display driver manually via Device Manager? Start with the NVidia driver uninstalled and your audio working, then extract the driver package to a folder rather than running the setup.exe. Install the display driver manually and see if your audio is still working.

    Doing it this way will mean you won't have access to the NVidia display aplication, but it's crap anyway. You can use RivaTuner to access AA/AF game profiles etc.
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  7. #7
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    Default Re: Possible hardware audio issue?

    Nvidia drivers tend to leave "bits" behind on uninstall it can cause problems.
    check Guru3D - Driver Sweeper

    and related articles on guru3d.
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  8. #8
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    Default Re: Possible hardware audio issue?

    Ok, i perform the tasks suggested.

    1) uninstalled drivers and physx from add/remove programs
    2) uninstalled from device manager
    3) rebooted in safe mode and ran driver cleaner( yes it found a bunch of stuff left behind)
    4) rebooted and audio was there with windows graphics
    5) moved the nvidia package to a folder and used device manager to let windows install the driver
    6) if there is a way to extract the files from the installer package, i dont know how it is done
    7) once rebooted with nvidia drivers sound is once again gone

    Used the 182.50 drivers this time. I did however notice, when selecting browse option for the graphics device in device manager- windows shows a default location of the realtek folder. After nvidia drivers are installed it then defaults to the folder were i have the installer package.

    second thing i notice is your options in the sound tap or control panel, says your deivce is "ready" mine says "working"
    Last edited by Festergod; 05-17-2009 at 11:24 PM.

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    Default Re: Possible hardware audio issue?

    To extract the Nvidia drivers without running setup, it may be posible to open the .exe with winrar. If not, you can run the setup exe, untill the last confirmation dialog before it copies files and cancel it. The files you are after should then be in a folder located at C:\NVidia\.

    If this doesn't work, try manually installing the Realtek Audio driver after manually installing the GFX card driver.
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    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
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  10. #10
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    Default Re: Possible hardware audio issue?

    Ok psycho, i did those tasks.

    I did the nvidia extract and install first. then went to the sounds tab. After the high def device in sounds tab there was a (spdif) after it. still no sound though. i tried this in hopes that the nvidia sound would override the windows sound. didnt work so i then did the same for the realtek drivers. still no sound and the (spdif) tag is no longer there.

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