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A technician is setting up a new interactive flat panel but finds that the device is not recognized by the operating system. What should the technician check first?
Correct Answer: D
Correct Answer. D. The connection of the video cable from the panel to the system For a flat panel to be recognized by a computer, it is crucial that the video connection, such as HDMI or VGA, is secure and functional. Option A is incorrect. Lack of power would prevent the panel from turning on, but the scenario implies it is powered but not recognized. Option B is incorrect. Compatibility is typically confirmed before installation; also, this wouldn't stop the OS from recognizing a connected device. Option C is incorrect. IP conflicts affect networked devices, not the basic recognition of connected hardware.