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Apple

9L0-010 · Question #26

The LED on a MacBook (13-inch Late 2009) MagSafe power adapter does not illuminate at all when it is plugged into the MacBook and you know the adapter is connected to a known good power source. What…

The correct answer is D. A MagSafe adapter connector pin is stuck down or dirty. See the full explanation below for the reasoning.

Question

The LED on a MacBook (13-inch Late 2009) MagSafe power adapter does not illuminate at all when it is plugged into the MacBook and you know the adapter is connected to a known good power source. What is the most likely cause of this symptom?

Options

  • AThe MacBook has a faulty backup battery.
  • BThe MagSafe adapter needs to be reset first.
  • CThe MacBook has a faulty magnetic sleep sensor.
  • DA MagSafe adapter connector pin is stuck down or dirty.

How the community answered

(34 responses)
  • A
    12% (4)
  • B
    3% (1)
  • C
    9% (3)
  • D
    76% (26)

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