My projector won’t play sound: Check these 3 solutions

by Tashreef Shareef

Windows & Software Expert

August 10, 2019

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While trying to project media files from your Windows computer to the projector users may face sound-related issues. By default, the audio and video are played in sync from your system to the projector. However, at times the sound may not play but only the video. Several users claim that their projector won’t play sound, especially over HDMI on the Reddit Community forum.

Hi, Having an issue with the projector. When a laptop is connected via HDMI, there will be no sound coming from the speaker (hooked up to the projector); however, when the laptop is hooked up to the projector by VGA and audio cable, there is sound.

Follow the steps given in this article to fix this once and for all.

How do I get sound to play through my projector?

1. Run Sound Troubleshooter

1. Click on Start and select Settings.
2. Click on System.
3. From the left pane, click the Sound tab.
4. Under “Volume” section, click on the Troubleshoot button.
5. Windows will now look for any problems with the Sound devices.
   
6. Follow the on-screen instructions and apply any recommended fix.
7. Restart the computer and check for any improvements.

We’ve written extensively on HDMI sound issues. Check out these guides for more information.

2. Reset Device Preference

1. Click on Start and select Settings.
2. Click on System.
3. From the left pane click on the Sound tab.
4. Click on “Advanced sound options” section click on “App volume and device preferences“.
   
5. Scroll down to “Reset to the Microsoft Recommended Defaults” section.
6. Click the Reset button.
   
7. Restart the system if prompted. Now try to play the audio again on the projector and check for any improvements.

3. Other Solutions to Try

1. Press the A/V mute button on the remote control of your projector in case it was temporarily paused.
2. Press the Source Search button if available on the remote switch to the correct input source.
3. Check the audio cable connection between the computer and the projector.
4. If the issue persists, set the connected device to PCM output, this should resolve the issue if the audio is playing from the HDMI source.
5. If you are using the USB Display function, enable Output audio from the projector settings in your projector’s USB Display Setting program.
6. In case you are trying to use connected audio source when the projector is off,  make sure you turn on the Standby Audio option and set the Standby Mode option to Communication On.

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