Make sure sound isn't muted
At the bottom right, select the time.
Adjust the volume using the slider.
Change the sound input or output:
At the bottom right, select the time.
Next to the volume slider, select the Right arrow .
Change where sound comes from (output) or where you speak into (input).
Unplug audio devices (like headphones or speakers) from your Chromebook.
If sound issue occurs during Zoom Class session, please ensure you are not selecting "Join From Browser" when entering Zoom meeting.