Câu 45: 220-1001: CompTIA A+ Certification Exam: Core 1

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.)

1. A. The hardware replacement used is a non-touch-screen version.
2. B. The touch screen must be calibrated after a replacement. — đáp án hiện tại
3. C. The digitizer cable is not seated properly on the motherboard. — đáp án hiện tại
4. D. The new touch-screen drivers must be installed. — đáp án hiện tại
5. E. The replacement part is dead-on-arrival.
6. F. The LCD panel firmware must be updated.
7. G. The grounding screws are not securely attached.