Why does not my laptop to transmit sound ALNG its HDMI output?

Using a Dell XPS M1330 with HDMI output. I often use it to watch DivX files and Image quality is very good, but I need to use the speakers for a portable sound quality is very bad. I tried using the headset for plugs audio, but the audio input on your TV is only for the composite input: (

change your audio settings for digital output, instead Output Portable Speakers


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