I had this problem too. I discovered that Vista set the High Definition
Audio Device to "digital audio" when I use analog speakers. Unchecking
"digital audio" returned the sound.

Good luck.

"Lang Murphy" <lang_murphy********.com> wrote in message
news:C7DAF73A-55F0-4DC5-8BB2-30757C8C428F@microsoft.com...[color=blue]
> "Apttobeme" <Apttobeme@discussions.microsoft.com> wrote in message
> news:3C502730-DC8C-49FC-9BAE-087D462D000E@microsoft.com...[color=green]
>>I recently installed Vista and have not have sound since. I went into
>>device
>> manager and tried to see if any of my sound devises were experiencing
>> issues
>> but only the following three items were listed and did not show any
>> issues.
>> (1) Hauppaige Win TV PVR II (2) High Definition Audio Device (3) Virtual
>> Audio Cable
>>
>> Can anyone help me get my sound back? Thanks
>>
>> --
>> Apttobeme[/color]
>
>
> A quick scan of Happauge's site shows -no- Vista support for the 3 or 4 TV
> cards I looked at on their home page. Have you tried disabling the
> Happauge card in device manager to see if your sound "comes back?" You
> might also have to disable the virtual audio cable, too, which I'm
> assuming is related to the TV card. The High Definition Audio Device
> driver is, I think (unless it existed in XP too), a native Vista audio
> driver. Also, is that the real model number of the TV card? I could find
> no such model # on the Happauge site, but admit I did not dig any deeper
> than the home page.
>
> Lang[/color]