Click on the Apple logo in the top left corner of the screen and click System Preferences. In the System Preferences window, click Sound and under the Output tab, select the HDMI option. This should produce both audio and video projection.

Why does my Mac not play Sound through HDMI?

If your HDMI device isnt receiving audio from your Mac: Choose Apple menu > System Preferences, then click Sound. In the Output pane, make sure that your HDMI device is selected. If youre connecting from a Mac mini, unplug any audio device that is plugged into your computers Audio-Out port.

How do I get sound through HDMI on Macbook?

2:053:10How To Connect Mac To TV With Sound From TV - YouTubeYouTube

Why is the sound not working through HDMI?

If using a set-top box, make sure the volume is turned up on the set-top box. You also may need to go into the set-top box menu and select HDMI in the Audio Settings or Audio Coding section to pass the audio to the TV. Earlier versions of set-top box firmware did not properly handle automatic HDMI connections.

Why is the sound not working on my projector?

These are the most common reasons you may not have sound on your projector: The volume is turned down. Check the volume control on the projector to ensure the volume is turned up. If you are connected to a source device, via HDMI or USB-C, check the volume control on that device as well to ensure it is turned up.

When I plug in my HDMI no sound?

If you have an Android TV™, check the HDMI® signal format in the TV menu settings. If it is set to Enhanced, change it to Standard. On the remote control, press the HOME button. Select External Inputs → HDMI signal format → select the appropriate HDMI 1 - 4 → Standard format.