54. A customer brings in a laptop with a touch screen that is not working correctly. The touch screen either does not respond at all or provides unusual or inaccurate responses. What is a possible cause for such behavior?
- The battery is not seated properly.
- The DC jack is not grounded or is loose.
- The digitizer is faulty.
- Too many apps are open.
Explanation: A touch screen that is unresponsive or inaccurate can be caused by dirt or grease on the screen, the screen protector, or apps consuming too many resources.
Exam with this question: Final Exam - Composite (Chapters 1-14)
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