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No sound from pc to lg 32lb58ov-zm

I decided to buy a lg 32 LB580V-ZM tv for the dining room and use it as a monitor for my pc aswell.The pc is connected to the tv through a dvi-hdmi cable from my nvidia 8600gts and the screen is perfect but theres no sound which is connected through a rca cable as the tv manual states.I played an album in the background and messed around with the realtek software in the hope that it would come on but no luck.The pc is set up on hdmi 2 but the funny thing is when i change the tv over to any other hdmi channel the sound off the pc can be heard.
Rca = 3.5mm jack in green speaker out socket to red/white audio in on tv

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Advice

In reply to: No sound from pc to lg 32lb58ov-zm

Go with the working connection. DVI can indeed force you into a less than easy connection scheme.
Bob

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PS. Can't find that model at link.

In reply to: Advice

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Here's the link

In reply to: PS. Can't find that model at link.

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You gave a clue and I missed it.

In reply to: Here's the link

"the funny thing is when i change the tv over to any other hdmi channel the sound off the pc can be heard."

There's your clue. Move to that working audio channel them move the HDMI cable to that channel.
Bob

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Already tried it

In reply to: You gave a clue and I missed it.

I've already tried that but as soon as i insert the hdmi cable in the sound goes off,the same goes when i remove the hdmi cable from hdmi2 the sound goes on.

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Stumper.

In reply to: Already tried it

It appears the TV is too smart and sources the audio automatically. I'd forget this and just run the audio to some soundbar or speakers and be done.
Bob

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well stumped

In reply to: Stumper.

It looks like the tv is trying to find the audio through the dvi - hdmi cable but the manual for the tv shows
to connect the pc to the tv involves a dvi - hdmi cable and a red/white rca audio cable.
your right for the time being i have my old speakers hidden behind the tv.

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