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Exam 220-1001 topic 1 question 29 discussion

Actual exam question from CompTIA's 220-1001
Question #: 29
Topic #: 1
[All 220-1001 Questions]

A customer's laptop display has suddenly become very dim. The image of the display can only be seen with a bright, external light, as adjusting the brightness/ contrast controls does not cause much change.
Which of the following components MOST likely needs to be replaced?

  • A. LCD panel
  • B. Inverter
  • C. Video card
  • D. Digitizer
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Suggested Answer: B 🗳️
by Donnie at Sept. 24, 2019, 5:02 p.m.

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MrCompTIA
CompTIA Specialist Highly Voted 5 years, 4 months ago
The inverter is connected to the backlight and an important thing to replace. Often a dying or failing laptop monitor has a variety of visual effects. These are great to memorize as a tech so you can make a quick deduction. You don't every effect all the time but they're usually very easy to spot and identify quickly.
upvoted 6 times
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bostin
Most Recent 1 year, 9 months ago
A. LCD panel: The LCD panel is responsible for displaying the images on the laptop screen. If the display has become very dim and adjusting the brightness/contrast controls does not have a significant effect, it suggests a problem with the backlighting system of the LCD panel. This could be due to a faulty backlight or backlight inverter, which is typically built into the LCD panel itself.
upvoted 1 times
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Gadjet
3 years, 8 months ago
The inverter controls the lighting to the screen and provides power to it as well.
upvoted 3 times
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MrMaqashela
4 years, 5 months ago
B is the answer inverter that need to be replaced
upvoted 2 times
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Donnie
5 years, 7 months ago
Contracts should be Contrast
upvoted 4 times
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