When connecting your Mac laptop to a projector and speakers in a classroom using the HDMI connection, you might not hear your computer's sound through the speakers.

This page explains the steps for adjusting your computer's sound settings so that audio plays through the HDMI connection.

How to change to HDMI audio output

StepWhat to DoHow It Looks
1Open System Preferences.
2Click on Sound.
3Click on the Output tab.
4Locate and select the HDMI item from the list of devices.

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