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Why Is There No Sound On My Projector?


You have just set up your projector. Although the image is displaying correctly, there is no sound. There are a few things you should check first.

  • Check your computer or video source to see if the volume is muted or turned down.
  • Check the audio input and make sure it is set to the correct source.
  • Adjust the volume on the projector itself.

Is there still no sound coming from your projector? Perhaps you are not connected to a speaker…

Are you connected to a speaker?

You should look to see if your projector has a built in speaker or if it requires to be connected to an external speaker.

If there is no speaker, there will be no sound. Your problem will likely be solved by connecting your projector to an external speaker if it does not have an internal one.

How to connect your projector to an external speaker

a projector connects to an external speaker via Bluetooth

First, you need to know what connector is required between your projector and the external speaker.

In some cases, all you need to do is locate and plug in the audio jack from the speaker to your projector. If your projector has a built-in speaker, it will deactivate once the external speaker is connected.

If your projector has Bluetooth capabilities and you are having problems connecting your projector to a speaker, first consult the instruction manual for both devices. If you are still having trouble pairing the devices, try resetting your wireless router and follow the devices instruction manual once again.

In many cases, you will be using an HDMI cable to connect your projector to your laptop or Blu Ray player.

You may also connect a speaker with HDMI if you do not plan on using your laptop speaker to transmit the audio.

Does HDMI carry sound?

HDMI can carry sound

HDMI is short for High Definition Multimedia Interface. HDMI transmits uncompressed digital data, both visual and audio.

Why is the sound not coming through my HDMI?

There is often a simple solution to this problem.

When you are connecting your devices to an HDMI, insert the cable into your devices with the devices turned off.

If the problem occurs after connecting, you may need to reboot both your projector and the connected device for the HDMI cable to connect.

Note: There is not one type of HDMI cable, make sure you are using the HDMI connector that is compatible with your devices.

Still not working?

  • Try setting the connected device to PCM output.
  • Use a different HDMI cable.
  • Use a different HDMI port.

When working with HDMI cables, you will need to reboot your devices every time you try a new solution to this problem.

How can I make my projector louder?

If your projector has a built in speaker, it is likely not very loud even when set to the highest volume. To increase the volume, you will need to connect to an external speaker.

You will not be able to make the projector itself louder, but you can enhance the audio experience by connecting your projector to an external speaker.

There are many different options to choose from: Bluetooth speakers, stereo systems, sound bars, etc.

Each of these speaker systems will include unique instructions for use. For the best results, follow your devices’ instruction manual when connecting to your projector. If you are having problems with the sound, try some of the solutions listed above.


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