ClassTech, Troubleshooting, Audio

Troubleshooting steps for audio issues in general assignment classrooms.

Ensure that the system is powered on. You can turn the system on by pressing Display On on the control panel or Start with Audio and Video on touchscreen control panels. Wait 30-90 seconds for the Display On button to stop blinking, or the touch panel to stop counting down. If the system was already on, you should restart it.

Check the volume level across the entire system:

Turn the volume knob on the control panel all the way up until you see the indicator light showing red. If in a room with a touch panel, press the corresponding volume button to turn it all the way up.

Amplifier volume control in AV rackImage of the control knob for audio control.

Ensure that computer (resident PC or laptop) volume is turned up and not muted.

Ensure that the source of the audio (YouTube, Vimeo, VLC, etc.) is turned up and not muted.

If using your own laptop, check that the connection is correct and secure:

Check the audio output device on the computer:

If none of these steps work, please call the Tech Services Help Desk at 217-244-7000 for assistance.