A laptop logon screen can barely be seen, despite adjusting the display’s brightness setting. Which of the
following display components is defective?
A.
Backlight
B.
Digitizer
C.
Inverter
D.
Polarizer
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Not correct, many times it is an inverter issue. As long as the question did not describe the display type, if it is LCD with a CCFL backlight ,then an inverter can be also the correct answer. If it is LED type then the Backlight is the correct answer.
The above question may have two different answers.
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Hello the inverter is not a light source. It only changes DC to AC power which is required by the backlight.
http://www.futureelectronics.com/en/display-solutions/inverters.aspx
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