{"id":51771,"date":"2026-01-23T15:37:01","date_gmt":"2026-01-23T20:37:01","guid":{"rendered":"https:\/\/carleton.ca\/tls\/?page_id=51771"},"modified":"2026-03-03T11:23:28","modified_gmt":"2026-03-03T16:23:28","slug":"classroom-troubleshooting","status":"publish","type":"page","link":"https:\/\/carleton.ca\/tls\/learning-spaces\/classroom-troubleshooting\/","title":{"rendered":"Classroom Troubleshooting"},"content":{"rendered":"

Below you’ll find a list of common classroom audio<\/a>, microphone<\/a>, projector\/display<\/a> and HyFlex<\/a> issues along with some possible solutions. Click on any of the images to enlarge them.<\/p>\n

If after the troubleshooting steps below, you can\u2019t solve your issue, call us<\/a>! We are here to help.<\/p>\n

Important note before getting started:<\/strong> Not all layouts, equipment and screens are exactly the same. Some control\u00a0panels are touch screen, others are physical buttons and others have dials:<\/p>\n

AMX Touch Screen<\/strong><\/p>\n

\"AMX<\/a><\/p><\/div>\n

AMX with Physical Buttons<\/strong><\/p>\n

\"Button<\/a><\/p><\/div>\n

AMX with Buttons and Dial<\/strong><\/p>\n

\"AMX<\/a><\/p><\/div><\/div>\n

Some control panels are located on the teaching desk and others are in the equipment rack. Some equipment racks are open and some have doors.<\/p>\n

\"Rack<\/a><\/p><\/div>\n

\"AMX<\/a><\/p><\/div><\/div>\n

<\/a>Audio Issues<\/h2>\n

If you’re having audio issues, please confirm:<\/p>\n

1. Audio volume is up on the AMX touch panel AND not muted (if muted it may flash red or go solid red) – try muting and unmuting a few times.<\/p><\/div>\n

\"Image<\/a><\/div><\/div>\n

2. The volume is up AND not muted on YouTube (or another player).<\/p><\/div>\n

\"You<\/a><\/div><\/div>\n

3. The sound is up on the computer (click on the sound icon in the bottom right of the task bar).<\/p><\/div>\n

\"Computer<\/a>
<\/div><\/div>\n

4. Check that the right sound output is selected in sound settings (i.e., not headphones or local).<\/p><\/div>\n

\"Computer<\/a>
<\/div><\/div>\n

Still not working?<\/strong> We are here to help Mondays to Thursdays from 8 a.m. to 8 p.m. and Fridays from 8 a.m. to 4 p.m. while classes and exams are in session.<\/p>\n

If after the troubleshooting steps above, you can’t solve your issue, call us! <\/strong><\/p>\n

We are here to help Speed dial <\/strong>from room phone (in drawer) or <\/strong>dial 3815<\/strong>or <\/strong>call from your cell phone 613-520-3815.\u00a0 <\/strong><\/p>\n

If there is no answer, please leave a message,<\/strong> your request will be addressed in queue.<\/p>\n

<\/a>Microphone Issues<\/h2>\n

Follow the steps below to get started with a clip on microphone (find out if your room has a clip on mic<\/a>).<\/p>\n

1. Locate the mic located in a marked drawer in the equipment rack.<\/p><\/div>\n

\"Mic<\/a><\/p><\/div><\/div>\n

2. Take the mic off the charger.<\/p><\/div>\n

\"Location<\/a><\/p><\/div><\/div>\n

3. Clip the mic on your shirt about eight inches below your chin with the mic facing up.<\/p><\/div>\n

\"Diagram<\/a><\/p><\/div><\/div>\n

4. Switch the mic on (the switch is at the top of the body pack. It should be switched to the left and showing a green light). If it does not turn on try the backup mic.<\/p><\/div>\n

\"Mic<\/a><\/p>\n

<\/div><\/div>\n

5. Place the body pack in your pocket or clip it to your belt.<\/p><\/div>\n

<\/div><\/div>\n

6. Turn up the volume on the AMX touch panel (on the teaching desk or equipment rack) and make sure it is unmuted.<\/p><\/div>\n

\"AMX<\/a><\/p><\/div><\/div>\n

7. Unless you see two wireless mic level controls on the AMX display (e.g. in one of these rooms with dual mics<\/a>), be sure only one of the two mics is turned on (they may be interfering with each other).<\/p>\n

8. Place your microphone body pack back on the charger when you are finished and look for the green charging light to come on.<\/p>\n

<\/p>\n

Still not working?<\/strong> We are here to help Mondays to Thursdays from 8 a.m. to 8 p.m. and Fridays from 8 a.m. to 4 p.m. while classes and exams are in session.<\/p>\n

If after the troubleshooting steps above, you can’t solve your issue, call us! <\/strong><\/p>\n

We are here to help Speed dial <\/strong>from room phone (in drawer) or <\/strong>dial 3815<\/strong>or <\/strong>call from your cell phone 613-520-3815.\u00a0 <\/strong><\/p>\n

If there is no answer, please leave a message,<\/strong> your request will be addressed in queue.<\/p>\n

<\/a>Projector\/Display Issues<\/h2>\n

If you are having issues with the projector, please confirm:<\/p>\n

1. Projector\/Display is turned on via the AMX touch panel (select “Projector\/Display” then “ON”). Projectors may take some time to turn on as they may still be in cool down mode from the last class. Be careful not to repeatedly press the ON button in rapid succession as this may cause the controls to get out of sync.<\/p><\/div>\n

\"Select<\/a>
\n\"Projector<\/a><\/p><\/div><\/div>\n

2. Blank is not<\/strong> selected on the AMX touch panel.<\/p><\/div>\n

\"ON<\/a><\/div><\/div>\n

3. The correct device is selected (indicated by red on the touch panel). Try switching back and forth between your source and another.<\/p><\/div>\n

\"Screen<\/a><\/p>\n

<\/div><\/div>\n

<\/div>\n
<\/div><\/div>\n

4. If the item you want to project is on the wrong screen try dragging to the other monitor OR in PowerPoint select “Slide Show”\u00a0 then “Monitor” and set to auto or try other options. Ensure the HDMI cable is firmly connected \u2013 try swapping it if you have access to a spare.<\/p>\n

\"Where<\/a><\/p>\n

5. Restart the computer (on the classroom computer find and hold down the power button \u2013 then restart). This might take a few minutes.<\/p>\n

\"Usual<\/a><\/p>\n

Still not working?<\/strong> We are here to help Mondays to Thursdays from 8 a.m. to 8 p.m. and Fridays from 8 a.m. to 4 p.m. while classes and exams are in session.<\/p>\n

If after the troubleshooting steps above, you can’t solve your issue, call us! <\/strong><\/p>\n

We are here to help Speed dial <\/strong>from room phone (in drawer) or <\/strong>dial 3815<\/strong>or <\/strong>call from your cell phone 613-520-3815.\u00a0 <\/strong><\/p>\n

If there is no answer, please leave a message,<\/strong> your request will be addressed in queue.<\/p>\n

<\/p>\n

<\/a>HyFlex Issues<\/strong><\/h2>\n

The Hybrid\/Flexible (HyFlex) modality is a mode of teaching meant to facilitate student learning whether they are present in-person or joining remotely. You can find the list of HyFlex learning spaces at Carleton here<\/a>.<\/p>\n

HyFlex rooms are equipped with two screens:<\/p>\n