At a conference, a presenter cannot get the laptop to display through the projector and a technician is called. What should the technician try first?

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At a conference, a presenter cannot get the laptop to display through the projector and a technician is called. What should the technician try first?

Replace the projector or provide an alternate one.
Use the appropriate Fn key to output to the external display.
Attach an AC adapter to the laptop.
Reboot the laptop.

Explanation: The default display for any laptop is the laptop display. To output to an external video port such as when a laptop is connected to an external monitor or projector, use the appropriate Fn key to change the output to just the external video port or to display both on the laptop display and through the projector.

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