{"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":"2026-07-29T12:01:31","modified_gmt":"2026-07-29T16:01:31","slug":"classroom-troubleshooting","status":"publish","type":"page","link":"https:\/\/carleton.ca\/tls\/classroom-troubleshooting\/","title":{"rendered":"Classroom Troubleshooting"},"content":{"rendered":"\n
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\n Classroom Troubleshooting\n <\/h1>\n \n \n <\/header>\n\n <\/div>\n\n <\/div>\n\n <\/div>\n<\/section>\n\n\n\n

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

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

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\"AMX\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button>
Control panel with touch screen<\/figcaption><\/figure>\n\n\n<\/div>\n\n\n
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\"Control\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button>
Control panel with buttons<\/figcaption><\/figure>\n\n\n<\/div>\n\n\n
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\"Control\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button>
Control panel with buttons and dial<\/figcaption><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\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\n\n\n

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\"Touch\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button>
Control panel in rack<\/figcaption><\/figure>\n\n\n<\/div>\n\n\n
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\"Touch\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button>
Control panel on desk<\/figcaption><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n

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

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

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

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\"Volume\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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2. The volume is up AND not muted on YouTube (or another player).<\/p>\n\n\n<\/div>\n\n\n

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\"YouTube\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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3. The sound is up on the computer. You can check this by clicking the sound icon on the bottom right of the task bar.<\/p>\n\n\n<\/div>\n\n\n

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\"PC\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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4. The right sound output is selected in sound settings (i.e., not headphones or local).<\/p>\n\n\n<\/div>\n\n\n

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\"Sound\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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Still not working? Call us!<\/a><\/div>\n<\/div>\n\n\n\n

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

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

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\"Mic\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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2. Take the mic off the charger.<\/p>\n\n\n<\/div>\n\n\n

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\"Mic\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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3. Clip the mic on your shirt about eight inches below your chin with the mic facing up.<\/p>\n\n\n<\/div>\n\n\n

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\"Mic\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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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 were available.<\/p>\n\n\n<\/div>\n\n\n

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\"Mic\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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5. Turn up the volume on the touch panel (on the teaching desk or equipment rack) and make sure it is unmuted.<\/p>\n\n\n<\/div>\n\n\n

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\"Volume\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n

6. Unless you see two wireless mic level controls on the touch panel display (e.g. in one of these rooms with dual mics<\/a>), be sure only one of the two mics is turned on (having both on at the same time will cause interference).<\/p>\n\n\n\n

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

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Still not working? Call us!<\/a><\/div>\n<\/div>\n\n\n\n

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

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

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1. Projector\/Display is turned on via the touch panel (select “Press for Projector Control” 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>\n\n\n<\/div>\n\n\n

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\"Control\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n
\"Projection\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n


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2. Blank is not<\/strong> selected on the control touch panel (if it is selected, it will be red).<\/p>\n\n\n<\/div>\n\n\n

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

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\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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4. If the item you want to project is on the wrong screen, try dragging it to the other monitor. You can also go into 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\n\n<\/div>\n\n\n

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\"Where<\/a><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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5. If the above steps don’t work, try restarting the computer (on the classroom computer find and hold down the power button \u2013 then restart). This might take a few minutes.<\/p>\n\n\n<\/div>\n\n\n

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\"Usual\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n<\/div>\n\n\n <\/div>\n\n\n <\/div>\n<\/section>\n\n\n\n
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Still not working? Call us!<\/a><\/div>\n<\/div>\n\n\n\n

HyFlex and Web Conferencing Issues<\/h2>\n\n\n\n

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