220-1101 Exam Dumps | When a user touches or swipes across an external touch screen, the image flickers but no input is registered

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Question 184/315

When a user touches or swipes across an external touch screen, the image flickers but no input is registered on the presentation laptop. Atechnician verifies that the external touch screen appears free from physical damage.
Which of the following should the technician do next?

A. Reboot the LCD touch panel and laptop.

B. Check the cables connecting to the laptop.

C. Verify the correct input source is set on the laptop.

D. Replace the laptop with a new device that is known to work.

E. Inspect the LCD touch panel for dead pixels or burn-in.

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