Why can't I hear dialogue during DVD movie playback, using my 5.1 channel
Verify that your speaker system is connected correctly.
Change the computer's audio settings to 6-channel, to match your 5.1 speaker system.
Change the audio settings in the RealTek
Change the audio settings in the InterVideo
Change the audio settings in the Media Center software program's DVD settings.
Y our c omputer's s upplied ac c es s ories may not inc lude a 5 .1 c hannel s peaker s ys tem. See your s pec ific ations s heet for details on your c omputer's