Body
Question
There is no sound or sound is very quiet from the classroom PC
Answer
- Make sure the volume on the PC, or in You Tube is turned up. Turn the volume up on the control panel.




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- Make sure the volume is not muted on the classroom control panel. Check that “A/V Mute” / "Audio Mute" is not flashing or highlighted.
- If it isn’t, hit “A/V Mute” / "Audio Mute" / ”Mute”, the screen may go black, then hit A/V Mute again. Is there sound now?
- In multiple projection rooms the last source pressed is the one that will supply audio. Press the source sound is desired from again.
- Open sound under the PC control panel or right click on the speaker in the bottom right corner and select sounds
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- . There should be at least one output device. It will most likely be an HDMI output named "Default Audio". Right click this to set as default, a green check will appear.

- If there are multiple HDMI outputs, right click on one of the options and select "Test".
- Do this until the sound is output through the speakers in the room.
- When the correct device is found, right click and select "Set As Default Device"
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- If there is no HDMI output and no sound from the speakers, call CTS to get it fixed.
If none of these resolve the problem call Classroom Technology Services @ 605 688 4587(if you get voice mail hit 0 for immediate assistance)