220-1101 Question #411: Real Exam Question with Answer & Explanation

Question

A user reported that a laptop would no longer turn on after the battery was depleted, even though laptop was charged the night before. An on-site technician was dispatched with a spare laptop and verified that the AC adapter and power cord were functional. Which of the following was the MOST likely cause of the issue?

Options

• ASwollen battery
• BCalibration corruption
• CExcessive wattage
• DDamaged port

Explanation

A swollen battery is a common and dangerous issue that prevents a laptop from turning on or charging, especially if the AC adapter is verified functional.

Common mistakes.

• B. Calibration corruption relates to inaccurate battery charge readings but doesn't typically prevent a laptop from turning on at all, especially with a verified functional AC adapter.
• C. Excessive wattage would typically come from an incompatible charger and could damage components, but the technician verified the AC adapter was functional, implying it was appropriate.
• D. A damaged port is less likely given the AC adapter was verified functional; a swollen battery is a more probable internal component failure preventing the laptop from powering on.

Concept tested. Laptop power issues - battery failure

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