Have you tried going to "control panel " sound effects manager, in there make
sure that your set up to 5.1

"ldawolf" wrote:

> Hi,
>
> after installing windows 64 I noticed that my subwoofer doesn't work when
> playing audio in media player DESPITE it works in the mixer software and
> defined correctly in the windows audio section.
>
> the device is a cmedia 8738 7 channels pci.
>
> Appreciate your help.