“How come my sound stopped working from the rear plug, but still works on the front headphone plug?”

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• The audio jack on the back of the Lenovo IdeaCentre 5i Desktop, model number 90NA0001US is an RCA format plug and supports audio out only. To connect a headset or external speakers that are only compatible with a 3.5mm Audio Jack, you will need to use the 3.5mm compatible audio jack on the from of the computer. The 3.5mm audio jack has audio in/out capability and is compatible with either external speakers or a headset with microphone, that is compatible with a 3.5mm jack.

  Answered by Lenovo Product Expert 5 years ago

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