选择题：A user states that they are trying to project their laptop to a screen for a presentation.

题目分类：其他
题目类型：选择题
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题目内容：

A user states that they are trying to project their laptop to a screen for a presentation. They have plugged the projector cable into their laptop, and turned the projector on, but no signal is found. Which of the following should the technician perform FIRST?（）

A. Ensure the projector is receiving power

B. Verify the laptop is not running on battery

C. Toggle the function key for displays

D. Replace the projector cable with another

参考答案：

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CCAR－121R4国内定期载客运行正常的燃油量要求是 :飞机起飞时,完成多少飞行,算是该飞机装有足够燃

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分类：其他题型：选择题