1 Check whether the system sound is adjusted to the minimum or mute

2 Check whether the Kuwo Music Box sound is adjusted to the minimum or mute

3 Check the speaker or headphone sound Whether it is adjusted to minimum or turned off

4 Check whether the speaker or headphone wiring is correct

5 Check whether the sound card driver is installed correctly

6 Check the sound card installation, bios settings, etc. Wait for the settings to be correct