A technician is troubleshooting a laptop that has a blank LCD panel. The technician shines a flashlight into the LCD and sees a faint image.
Which of the following BEST describes the issue?
A . Defective inverter
B . Incomplete video driver
C . Incorrect input source
D . Burned-out bulb
Answer: A
Explanation:
an inverter is a device that converts DC power from the laptop’s battery or AC adapter to AC power for the backlight of the LCD panel. If the inverter is defective, the backlight will not work and the LCD panel will appear blank or very dim. The user can still see a faint image if they shine a flashlight into the LCD because the LCD itself is still working.
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