- Confirm that the all devices are correctly plugged in and the power is on.
- Check that the correct remote is being used.
- Check that the device does not have a mute setting enabled.
- Confirm that the device settings for input source and audio/video settings (including HDMI control)are correctly configured.
- If available, try resetting the device to factory settings.
- Check for any firmware updates to the device.
- In some cases, 3D or surround sound settings (for example
5.1 in the device settings) can interfere with basic volume control.
