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A technician receives a tablet that looks like it has a bulge inside. The bulge is pushing the screen away from the backplate. The tablet still turns on when it is plugged in, but the screen looks damaged and turns off when unplugged. Which of the following is the most likely cause of this issue?
Correct Answer: C
Comprehensive and Detailed In-Depth Explanation: A bulging tablet casing is a classic sign of a swollen lithium-ion battery, often caused by age, overheating, or overcharging. This is a dangerous condition, as swollen batteries can rupture or catch fire. It also explains why the tablet only works when plugged in - the battery is no longer holding a charge. * Option A: Power supply issues wouldn't cause physical bulging. * Option B: A bad charge port wouldn't cause screen damage or physical distortion. * Option D: A broken screen could cause display issues, but not the bulging chassis. CompTIA A+ Core 1 Exam Objective Reference: * Objective 1.4: Given a scenario, configure settings and use cases for laptops and mobile devices.