A technician attempts to increase the brightness of a laptop screen by using the function keys but the attempt fails. What could be the problem?
- The laptop battery is bad.
- The video display driver is corrupt.
- The inverter has failed.
- The LCD screen has failed.
Explanation: A failed LCD screen will result in no image being displayed whereas a corrupt video driver or bad battery will not result in a dimmed display. The inverter powers the backlight, which in turn displays and illuminates the image.
Exam with this question: A+ 220-1001 Certification Practice Exam
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