Thanks for responding. I have downloaded the latest audio and video drivers from Sony. The FAQ specifically refers to playing a Blu-Ray, and the menu options refer to Intervideo WinDVD which I dont have because I dont have a BD optical drive. My needs are simple - I just need to hear audio...
My system: Sony Vaio VGNZ890 Win7 Professional 64 bit NVIDIA GeForce 9300M GS (driver version 187.35) Realtek High Definition Audio Driver 6.0.1.5859 I have the HDMI output option available in the Sound menu and I have set it as the default device. I then connect the HDMI cable to either my...