220-1001 Exam Dumps | A technician replaced a broken LED screen on a mobile computer. The operating system can be seen perfectly

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Question 39/42

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.)

A. The new touch-screen drivers must be installed.

B. The replacement part is dead-on-arrival.

C. The digitizer cable is not seated properly on the motherboard.

D. The hardware replacement used is a non-touch-screen.

E. The grounding screws are not securely attached.

F. The touch screen must be calibrated after a replacement.

G. The LCD panel firmware must be updated.

Question 39/42

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