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单选题
A customer, Jill, has a dim image on her internal LCD panel, but when connecting to an external display, the image is fine. Which of the following is MOST likely the cause?（）
A
Inverter
B
LCD cable
C
LCD panel
D
System I/O
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单选题A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）A
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The monitor firmware was not updated.C
The new monitor has a different native resolution.D
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单选题A user reports that the display on the laptop appears blurred. Which of the following is MOST likely the cause？ （）A
The LCD is not running in its native resolution.B
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The drivers are improperly installed.D
More video memory needs to be allocated.
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单选题Which of the following is used to produce the best LCD image on a laptop？（）A
Dual scanB
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单选题A customer’s laptop display panel assembly had just been replaced. The customer notices that the wireless network adapter is enabled but detecting a weak signal. Which of the following is the MOST likely cause?（）A
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The wireless drivers need to be updated.D
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考题
单选题Which of the following statements about an LCD screen is not true?（）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
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考题
单选题Several users report that they are unable to print to a new printer recently installed. The technician is unable to ping the printer. Which of the following is the MOST likely cause?（）A
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Paper jam in the paper feed trayC
Improper DNS settings on the printerD
Broken LCD screen on the printer
考题
单选题A customer, Jill, has a dim image on her internal LCD panel, but when connecting to an external display, the image is fine. Which of the following is MOST likely the cause?（）A
InverterB
LCD cableC
LCD panelD
System I/O
考题
单选题A technician installed a new video card on a motherboard which has onboard video. When the monitor was plugged into the new card and the power was turned on, a no signal message appeared on the monitor. Which of the following is MOST likely the issue?（）A
In the BIOS, the onboard video adapter must be disabled.B
The video resolution is set too high.C
The LCD panel is defective.D
The drivers for the new video card must be installed before installing the card.
考题
单选题A user states that the LCD display on their laptop has intermittent lines on the screen. The technician notices that when the display panel is moved, the line appears and then disappears. Which of the following is the MOST likely cause?（）A
The hinge on the display panel is damaged.B
The display cable is loose or damaged.C
The display panel is defective.D
The video controller on the system board is defective.
考题
单选题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？ （）A
Replace the laptop.B
Replace the LCD screen.C
Replace the LCD pixels.D
Re-select the LCD in Device Manager.
考题
单选题A technician is troubleshooting a laptop LCD, and when the cover is opened nothing shows on the screen. Then all of a sudden the screen comes on and works fine. Which of the following should the technician check FIRST?（）A
BacklightB
InverterC
Loose cableD
Lid switch
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