Computer Knowledge
2 Right click on “speakers> select “set as default device”
Remarks:
Just bought the Y580N without pre-installing the Win7 system. Before installing the Win7 system, I found that the headphone interface has red light. After installing the Win7 system and the driver, there is no red light. The customer wants What should I do if I want red light again?
Two necessary conditions for red light on the headphone jack:
1. Select Realtek Digital Output as the default device
2. Audio playback is sound output
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