The following are possible reasons why there is no audio output during playback:

Audio device driver is damaged or not updated

To update the Audio device driver:

Playback device is disabled

To enable the Playback device:

Playback device is not connected to the right port

The port where the audio device is connected might be damaged or not configured to be used on your computer. With this, your audio device will not function as intended.

Volume is muted

To adjust the volume: