Catalyst Control Center, i meant try see if by enabling tv speakers is not confusing the graphics card telling it there's no sound supported because the tv speakers are disabled.
CCC... Sorry, was being dense!
What if I were to try getting the Motherboard's integrated sound to take over? There's a Digital Optimcal out on the MB that I could connect to the sound-bar. Wpuld this scupper the sound from the Radeon's HDMI to my monitor? Just a thought...