Below is a list of common issues when attempting to use a projector with a College‑issued computer. For more in‑depth information, you may choose to scroll through each technical topic on the page or click directly on an individual topic from the following list:


No audio

  • From computer
    Locate the volume icon on the bottom right‑hand side of the taskbar, ensure that you have the volume turned up and not muted.
  • From projector
    On the projector remote, ensure that you have the volume turned up and not muted.

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Colour is not clear on screen

  • Projector settings
    Due to the various conditions in each classroom, factors like sunlight can affect the quality of the picture. You may need to adjust the projector settings.

    1. Locate the Menu button on the projector remote.
    2. Using the direction arrows, find the Picture button.
    3. Using the direction arrows, adjust the Brightness, Contrast, and Colour Temperature.

    NOTE: As a courtesy, please reset any adjustments you have made when you are finished using the projector.

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Computer not found or blank projection screen

  • Ensure that you have attached the network cable to your computer.
  • Make sure that your laptop has not gone to sleep. For instructions on changing the sleep settings on your computer, refer to the Projector has shut down section.
  • There may be a My Computer, My Source, or Search button at the top of the projector remote, press this so that the projector can find your computer.
  • You may need to repeatedly press the RGB, Computer, Output, or PC button on the projector remote, depending on the model, until your desktop is displayed on the screen.

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Presentation not projecting

Hold the Windows logo key Windows icon + P to open projection options on the sidebar, and then choose either of these options:

  • Extend to show the speaker notes on the monitor and the presentation on the projection screen.
  • Duplicate to view the presentation on both the monitor and the projection screen.

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Presentation view has changed

The PowerPoint default is set to switch back to extended display after playing a video, but you must change the setting back to duplicate display. Using the Windows logo key Windows icon + P to open projection options on the sidebar, choose Duplicate to view your presentation on both your monitor and the projection screen.

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Projector has shut down

If your laptop goes to sleep for 15 minutes, the projector will automatically shut down. To change the sleep settings on your computer, follow these steps:

  1. Right‑click the Windows Start button Windows icon, and then select Power Options.
  2. On the Power & Sleep menu, under Screen, choose Never in the On battery power drop‑down menu, and choose Never in the When plugged in drop‑down menu.
  3. On the Power & Sleep menu, under Sleep, choose Never in the On battery power drop‑down menu, and choose Never in the When plugged in drop‑down menu.
  4. NOTE: The projector may require additional time for the lamp to cool before the projector can restart.

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Additonal resources

  • If the above topics did not resolve your audio visual, classroom, or projector issue, you can find further help and additional resources at Library – Audio Visual Services.
  • To report an issue with a College‑issued computer, please submit a Case Log.

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