![]() ![]() Make sure the volume is turned up and not muted. On your Mac, locate the volume control on the menu bar at the top-right corner of the screen.Follow the steps below to check the volume settings: When troubleshooting sound issues on your Mac connected to HDMI, it’s important to ensure that the volume is turned up and not muted on both your Mac and the connected TV or display. If you encounter any difficulties or need more specific instructions, refer to the official Apple support resources for further guidance. Note that the steps to update your software might slightly differ depending on the macOS version you are using. If you have updated your Mac’s software and are still experiencing no sound through HDMI, proceed to the next troubleshooting step. It is recommended to regularly check for software updates to ensure that your Mac is running on the latest version. Updating your Mac’s software not only addresses any audio-related bugs or issues but also improves the overall performance and security of your system. Once the update is complete, restart your Mac to ensure that the changes take effect.Follow the on-screen instructions to download and install the software update.Make sure your Mac is connected to the internet for the update to proceed. If any updates are available, click on the “Update Now” button to start the update process.Click on “Software Update” to open the macOS Software Update window.Outdated software can cause compatibility issues and prevent the correct functioning of the audio output. Updating your Mac’s software is an important step in troubleshooting sound issues when connected to HDMI. If you encounter any difficulties or notice any differences, refer to the official Apple support documentation or website for more specific instructions. Keep in mind that the options and settings may vary slightly depending on the macOS version and Mac model you have. If you have followed these steps and still cannot hear any sound through HDMI, it is advisable to move on to the next troubleshooting step. Switch back to the “Output” tab and check if the HDMI option becomes available.Select a different alert sound or play a sample sound to see if you can hear any audio.If the HDMI option is not available or you are unable to select it, try the following:.Try adjusting the balance slider to see if the sound is only coming out of one speaker.Make sure the volume is turned up and not muted.It should be listed as “HDMI” or something similar. Go to the “Output” tab and ensure that the HDMI output is selected as the audio output device.Click on the “Sound” icon in the System Preferences window.Click on the Apple menu in the top-left corner of the screen and select “System Preferences.”.The first step in troubleshooting the lack of sound on your Mac when connected to HDMI is to check your sound settings. In the following sections, we will guide you through the necessary steps to troubleshoot each of these possible causes and get sound to play through HDMI on your Mac again. System glitches: Like any technology, your Mac may experience glitches or temporary errors that can disrupt the audio output via HDMI.īy understanding these potential causes, you can narrow down the troubleshooting steps and effectively resolve the issue.Faulty HDMI cable: A faulty or damaged HDMI cable can prevent the transmission of audio signals, resulting in no sound output.Volume settings: It’s possible that the sound is muted or turned down either on your Mac or the connected TV or display.Outdated software: If your Mac’s software is outdated, it may lack the necessary drivers or updates to properly recognize and utilize the HDMI audio output.This can cause no sound to play through HDMI. Incorrect sound output setting: Your Mac might be set to use a different audio output device by default, such as the internal speakers or headphones.Here are a few common causes to consider: Understanding the possible reasons behind this issue can help you identify the appropriate solution. Why is there no sound on my Mac when connected to HDMI?Įxperiencing no sound on your Mac when connected to HDMI can be caused by a variety of factors. ![]()
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