1. Check the volume setting. You need to check the volume setting of the computer. At the volume icon in the lower right corner of the computer, right-click "Volume Adjuster" and select "Open Volume Mixer" to ensure that the volume of cool dog music is not muted or turned down.
2. Check the settings of cool dog music. If there is no problem with the volume setting, you need to check the settings of cool dog music. In the cool dog music interface, click the "Settings" button and select "Sound Settings" to ensure that the "Sound Switch" is turned on and the "Volume" is in the appropriate position.
3, check the audio equipment, if the above two methods have not solved the problem, then you need to check the computer's audio equipment. At the volume icon in the lower right corner of the computer, right-click "Volume Adjuster" and select "Playback Device" to ensure that the default audio device is correct and not disabled.