During boot up， a laptop screen displays vertical colored lines and then the LCD screen goes blank. There are no display problems when connected to an external monitor. Which of the following actions should be taken to resolve the problem？ （）
第1题：
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
第2题：
A. An LCD screen consumes more power than a CRT screen.
B. An LCD screen display may present high-quality images but only to viewers sitting directly in fron of the screen.
C. Currently, all laptops use LCD screens.
D. An LCD screen is considerably more expensive than a CRT screen.
第3题：
A client reports that the cursor on their laptop moves to one corner of the screen and stays there when they try to use the keyboard joystick. Which of the following components will MOST likely need to be replaced to resolve the issue?（）
A. Touchpad
B. Motherboard
C. Keyboard
D. External pointing device
第4题：
A user would like to use an external monitor with their laptop, but when the monitor is plugged in and connected to the laptop, the screen does not display on the monitor. Which of the following is the BEST way to display an image on both the monitor and the laptop?（）
第5题：
Which of the following statements about an LCD screen is not true?（）
第6题：
A user reports that they walked away from their laptop for 30 minutes and when they came backthe screen was very dim. The user tried moving the mouse and increasing the brightness setting,but neither worked. Which of the following should the technician do FIRST?（）
A. Plug in an external monitor to test the video card.
B. Run a check disk scan to verify there is no corruption.
C. Check if the laptop is now on battery power.
D. Have the LCD screen replaced with a known good screen.
第7题：
Which action should be taken on receipt of a GMDSS distress alert ________．
A.Read the display screen and/or printout
B.Silence the alarm
C.Listen for any follow up voice/telex transmission on the appropriate frequency
D.All of the above
第8题：
A. OLED
B. Plasma
C. DLP
D. LCD
第9题：
A laptop LCD screen needs to be replaced. Which of the following tools would be BEST used toopen the case?（）
第10题：
When experiencing video problems， which of the following should be performed FIRST to ensure that the monitor is not causing the problem？ （）