Sussed it. You need to disable the front panel jack detection in the Realtek
sound manager utility. You can access this by clicking on the folder icon on
the right hand side of the utility screen, above the jack diagrams.

Jim

"Jim Corbett" wrote:
[color=blue]
> There seems to be many threads on this forum regarding the problem with the
> Realtek High Definition Audio.
>
> I also have this problem. My computer shows that my SPDIF is connected and
> is the default output device for sound. Despite my analogue speakers being
> plugged in, Vista reports that they are not.
>
> I have followed all of the tips in this forum to no avail but I have managed
> to find a way of getting the sound working, albeit temporarily.
>
> This is what I did:
>
> 1. Uninstall the Realtek drivers.
> 2. Reboot the computer.
> 3. The system should revert to the built-in HD Audio drivers provided my
> Microsoft.
> 4. Uninstall the Microsoft HD Audio drivers.
> 5. Reinstall the latest Realtek drivers.
> 6. During the install process the Realtek HD Audio system tray icon should
> appear and indicate that the speakers are detected.
> 7. The sound should now work.
>
> Now this is all great, trouble is when you restart the computer it reverts
> back to SPDIF output and the speakers again appear unplugged, which stops you
> selected them as the default output device.
>
> Any comments or suggestions on how this problem can be sorted without a full
> reinstall of Vista would be great.
>
> Thanks,
>
> Jim[/color]