Think about it, how it feels when you open your youtube to listen to songs, or to watch some educational videos, but you won’t be able to hear any sound from it. I know it makes you irritate, so, to get to fix no sound on youtube, follow the steps, given below:
Check device volume is turned on
Check if is your video unmute
Use an Audio troubleshooter to fix the issue
Read more: https://ityug247.com/no-sound-on-youtube-how-to-fix/