3.5mm jack to surround sound system not working

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TheBigFluffyDoge

TheBigFluffyDoge

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Apr 17, 2014
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My brother is having issues wiring his pc to the audio system. He is splitting the audio from 3 3.5mm audio outputs on the rear IO of the motherboard into dual rca adapters and then wiring them into the speaker system. The pc cant detect these as being audio outputs and so he cannot set them as the audio output device. I don't know much about speaker equipment so please no heavy answers however I am competent with pc's. He is using an old asus motherboard, unaware of the model, and is running windows 7.
 
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kajjot

kajjot

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Jun 29, 2010
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You need to find out the model of the motherboard and the model of on-board sound chip.
Most Realtek HD chips allow you to change what each output does.
For example you can change the pink output from MIC to Rear Speakers.
So if it's Realtek, make sure you have latest driver and try double clicking on output pictures within realtek control panel to change the settings.
 
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Wisecracker

Wisecracker

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Jan 15, 2007
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Enter your HD Audio Manager -- verify the Analog-Outs are enabled for 5.1 audio.
Enter the Windows Sound menu -- verify that 'Speakers' are enabled for output

The receiver is normally configured for "Multi-Channel PCM" to pass the 5.1 analog audio, but you should verify that from the user manual.

 
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