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If the computer's audio isn't coming out from the room speakers, follow the instructions below to check the configuration of the PC.  (Click on the images to enlarge them)


1.  Right-click on the speaker icon in the lower right tool bar.

taskbar sound icon

2.  Left-click on 'Playback Devices'.

Left click playback devices

3.  Right-click on 'Speaker/Headphone', then left-click on 'Test.'

4.  You should see a green audio level on the right side of the window corresponding with the selected output.

If the system audio is being fed to the 'PC Speakers / Headphones' output, you will hear audio from the room sound system. There should be a green check next to the Speaker/Headphone icon to show they are set as default. If no audio is heard, continue to the next step.

listen for sound from room speakers

5.  Right-click on the digital audio entry, (either “HDMI” or “Crestron 420”), and then left-click on 'Enable'.

If the 'Enable' option is grayed-out, this selection is already enabled. 

6.  Right-click on the digital audio source, either “HDMI” or "Crestron 420”, and then left-click on 'Test'.

7.  You should see a green audio level on the right-hand side of the window.

If the system audio is being fed from the PC HDMI cable you will hear audio in the room sound system. 

You will see a green audio level. If the system audio is being fed by the PC HDMI cable you will hear audio in the room sound system.

8.  Right-click the digital audio entry, either “HDMI” or "Crestron 420”, and then left-click on 'Set as Default

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