dell optiplex gx620 vista sound driver problem


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dell optiplex gx620 vista sound driver problem

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Hey guys i recently installed vista ultimate 32-bit onto my Optiplex GX620 and i seem to be having a bit of a problem because i cant get my audio drivers to work.

I've tried and downloaded every single setup for my PC but none seem to work, they all say, 'Your hardware isnt compatible with this software.'

Any soluions anyone?


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  • Dell only supports Windows XP.  There are NO Dell drivers for Vista (or Windows 7) for this model and you need Vista specific drivers.  The sound module is Soundmax ADI 198x.  You can search the web and try whatever you find, but you will probably have to do what others that have PC models that are not supported by Dell, install a PCI sound card that is Vista compatible.  

    I am not a Dell Employee

    Dell forum member since 2002

    Home Built PC with Gigabyte GA-Z77X-UD5H motherboard, i7 3770 CPU,  Windows 7 64 bit Home/Win 8.1.  SSD drive.  Sonar X3c 64 bit Recordng Software.


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  • salam my all brother

    i used all driver specially universal driver but i couldnt find any driver if u need that driver ( optiplex gx 620 for sound card problem try on cobra driver CD inshallah ur problem will be solve. thanks

                         shahid ali khan

  • USB headphones work fine. Not the same as the 1/8" jack, but hey, its sound.

  • Vista Drivers Exist for GX620 sound as do windows 7 drivers.

    Analog Devices ADI 198x Integrated Audio
    Release Date:     1/24/2007        
    Version:     A255.12.01.7010        
    Importance:     Recommended        
    Download Type:     Driver        
    File Format:     Hard-Drive        
    File Size:     3MB     

    R145551.EXE         32 BIT

    R145149.EXE          64 BIT



    OptiPlex GX280
    OptiPlex GX520
    OptiPlex GX620
    OptiPlex SX280
    Precision 370
    Precision 470
    Precision 670

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