Most of the lenovo computer are using the dolby sound. Which gives us more sound. But sometimes, it may stopped working due to the technical problems in the sound settings. here are the guide to fix that error.
Let's be sure that the audio is not disabled.
Go to the audio settings and unmute the sound.
Check the default audio settings.
Update the audio driver.
Let's roll back the driver.
Uninstall the current driver and then install a new driver.
Once you will change these settings. you will start getting the sound. in case, if you can't hear the audio. please visit: Lenovo laptop sound not working?