defaults to 2 channel Sound 5.1 works if manually set

windows 7 defaults to 2 channel Sound 5.1 works if manually set in video playback programme

runing
Realtek HD Audio Driver 2.26


anyone got any ideas to fix this


cpu i7 920 @ 3.74
cpu cooler Akasa NERO
motherboard GA-EX58-UD5
ram 6GB DDR3 1333 Mhz
gpu GTX 275
case Antec Nine Hundred

what video playback program are you using?

vlc
media player classic
windvd
PowerDVD 9 and 8

edit

updated to 2.27 and still got the problem