Windows7 system front panel headphones no sound solution

Many friends put the headset on the back panel of the back of the chassis, the audio output interface has sound, plug in the front audio interface there is no sound how to do? In fact, very simple, the following teaches you how to set the front panel sound settings.
The method is as follows:
The rear audio interface can output the sound correctly, and the front audio interface has no sound output. There are two reasons. The first reason is that the audio cable of the front audio interface is not correct. Connected to the motherboard, as long as the front audio interface board has a lot of data lines corresponding to the corresponding pins on the motherboard. The second reason is that the audio driver control panel is set incorrectly.
After installing the driver normally, go to the control panel and open “Realtek HD Audio Configuration”, or double-click the Realtek HD Sound Manager in the lower right corner of the screen, click “<quo;Connector Settings”, and “Make the front panel plugged in” The hole detection & rdquo; hook can be used to solve the front audio output or the microphone input can not be used normally.
When some motherboards use HD-rated sound card chips, improper settings will not detect the front AUDIO, resulting in the front AUDIO not being used. When the hook is hit, no matter whether the audio output device is connected to the front, the computer has an output in front of the default, and the front audio output or the microphone input cannot be used. The default device status is confirmed:
The rules of the various motherboards are different. Please check the motherboard manual for details. The following are just examples:




1 AUD_MIC_IN Front microphone input.
2 AUD_GND Ground for analog audio circuits.
3 AUD_MIC_BIAS mic bias voltage.
4 AUD_VCC Filter +5 V for analog audio circuits.
5 AUD_FPOUT_R Output to the front right channel audio signal.
6 AUD_RET_R Right channel audio signal returned from the front.
7 HP_ON Reserved for future control of the headphone amplifier.
8 KEY No stitches.
9 AUD_FPOUT_L Output to the front left channel audio signal.
10 AUD_RET_L Left channel audio signal returned from the front.
Note: Jumper of the connector: If the front audio cable is not connected to the front audio connector of the motherboard, the 5 and 6, 9 and 10 pins of the connector should be shorted with a jumper, otherwise the rear audio There is no sound in the socket.