CompTIA
220-801 · Question #651
An outline of an image can be viewed on a laptop screen, but it is very dim and the screen appears almost black. This can be caused by a failing. (Select TWO).
The correct answer is A. inverter. B. LCD. The problem might be caused by a display inverter which powers backlight or the LCD itself. When the screen goes dim, inverter is the culprit. If the screen appears almost black, the LCD might be failing.
Mobile devices
Question
An outline of an image can be viewed on a laptop screen, but it is very dim and the screen appears almost black. This can be caused by a failing. (Select TWO).
Options
- Ainverter.
- BLCD.
- Cplasma screen.
- DCRT.
- EOLED.
How the community answered
(28 responses)- A89% (25)
- C4% (1)
- D7% (2)
Explanation
The problem might be caused by a display inverter which powers backlight or the LCD itself. When the screen goes dim, inverter is the culprit. If the screen appears almost black, the LCD might be failing.
Topics
#inverter failure#LCD#laptop display#backlight
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