I'd head to dell.com, input my TAG NUMBER on the service, download pages and install the motherboard, then the sound driver for my machine.
Since folk don't know what machine you have, this generic advice is all I can offer.
Bob
No sound on computer: "No audio devices are installed.
Windows Vista and Inspiron Dell computer (home basic 32BIT SP1). What should I do? If I reinstall my operating system disk, would I lose all of my new programs and files-like new two years contract with McAfee?
Please help!

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