Solution of Computer SPDIF headphone interface displaying red light

The SPDIF headphone interface shows a red chart as shown in the following figure.

Solutions

1. In the lower right corner of the computer taskbar there is an "audio manager" we double-click to open into;

2. In the Pop-up Audio Manager dialog box, we click on "Audio I/O, click the following number icon;"

3. Then we will choose to have no s/pdif output in this way.

Different models, the setting method will also have some differences, if the above debugging is not valid, you can also debug the test by the following methods:

1. Also right click the lower right corner of the task small horn map, and then turn on "open Volume Control";

2. Then we just put "option" to check "advanced control" and then we Click "Volume Control" in the "advanced" effect as shown below;

3. Turn off the red light display after canceling the check in front of "Digital Speaker" under "Other controls".

All right, if we take a look at the above method and we do it all at once, we can try to restart your computer. This I believe may have the effect, if still can not only reinstall the sound card driver, it is best to go to the official download sound card driver do not use a Third-party tool OH.