A user reports that images on a computer display are distorted. The technician sends an intern to look at the problem. What could the technician tell the intern to check first that does not involve hardware replacement or disassembly?

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Question:
A user reports that images on a computer display are distorted. The technician sends an intern to look at the problem. What could the technician tell the intern to check first that does not involve hardware replacement or disassembly?

LCD backlight adjustment
display settings
work desk stability
electrical interference

Exam with this question: IT Essentials (ITE v7) Chapter 4 Exam Answers