A technician is tasked with repairing a laptop's dimming screen, which displays colors accurately when connected to an external monitor. The laptop's built-in display has been showing faded colors and inconsistent brightness levels, indicating a possible issue with a specific component. Which of the following is MOST likely causing the display issue?
The inverter is responsible for providing power to the backlight of an LCD. When the inverter fails, it can cause the laptop's screen to become dim or display inconsistent brightness levels. Since the issue is not present on an external monitor, it suggests that the laptop's display components are at fault. Other answers, such as the LCD panel and the display cable, could cause color or image distortion, but would not typically result in changes to the brightness level.
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What is an inverter's role in an LCD screen?
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How do I know if the inverter is the problem?
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What is the difference between the inverter and the LCD panel in an LCD laptop display?