A+220-902 – Question468

A customer calls the help desk to report an intermittent dim display on a recently purchased laptop that is used while travelling. The display appears to function properly while the customer is at home, but the display appears dim while travelling.
Which of the following is the MOST likely cause of the dim display?

The power cord has a short and does not provide power properly
B. The ambient light in the customers home causes the display to appear brighter
C. The display is defective and cannot maintain a consistent power level
D. The laptop is set to dim the display while on internal power

Correct Answer: D