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CompTIA A+ Certification Exam: Core 1 Exam Questions

CompTIA

CompTIA A+ Certification Exam: Core 1

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Question 51:

A technician replaced a broken LED screen on a mobile computer. The operating system can be seen perfectly on screen, but the touch screen is non-responsive. Which of the following are the MOST probable root causes for the given failure? (Choose three.) 

Answer options:

A. The hardware replacement used is a non-touch-screen version.
B. The touch screen must be calibrated after a replacement.
C. The digitizer cable is not seated properly on the motherboard.
D. The new touch-screen drivers must be installed.
E. The replacement part is dead-on-arrival.
F. The LCD panel firmware must be updated.
G. The grounding screws are not securely attached.