- A
It's fine to keep using it plugged in as long as the battery is removed.
Why wrong: Removing the battery may not be safe if the swelling has deformed the case; also, many modern laptops require the battery to be installed for operation. The immediate priority is to stop using the device.
- B
Continue using it but only on battery power to avoid overheating the charger.
Why wrong: Using a swollen battery on battery power still risks thermal runaway. The battery must be handled as hazardous waste, not used.
- C
Shut down the laptop immediately, disconnect the battery if safely possible, and replace the battery as soon as possible.
This follows proper safety protocols: stop using the device, isolate the battery, and replace it. A swollen battery must be treated as hazardous electronic waste.
- D
Place the laptop in a freezer to reduce swelling, then continue using it.
Why wrong: Freezing a lithium-ion battery can cause internal short circuits and is extremely dangerous. Batteries must never be subjected to extreme temperatures.
Is It Safe to Use a Laptop with a Swollen Battery?
This 220-1202 practice question tests your understanding of environmental awareness and impact. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A customer reports that their laptop battery is swelling and the case is cracking. They ask if it's safe to continue using it plugged in. What should the technician advise?
Quick Answer
The correct answer is to shut down the laptop immediately, disconnect the battery if safely possible, and replace it as soon as possible. A swollen laptop battery is not safe to use because the swelling indicates internal chemical breakdown and gas generation within the lithium-ion cells, which can lead to thermal runaway, fire, or explosion. The physical bulging also risks rupturing the battery casing and causing a dangerous short circuit. On the CompTIA A+ Core 2 220-1202 exam, this scenario tests your understanding of proper safety procedures for hazardous hardware components, often appearing as a troubleshooting question where the trap is to suggest simply removing the battery and continuing to use the laptop plugged in. Remember the memory tip: “Swollen means stop—don’t pop, don’t drop, just swap.”
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Shut down the laptop immediately, disconnect the battery if safely possible, and replace the battery as soon as possible.
A swelling lithium-ion battery indicates internal chemical breakdown and gas generation, which can lead to thermal runaway, fire, or explosion. The immediate risk is physical rupture of the battery casing and potential short-circuiting. The correct action is to shut down the laptop, disconnect the battery if it can be done safely without puncturing it, and replace it as soon as possible to eliminate the hazard.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It's fine to keep using it plugged in as long as the battery is removed.
Why it's wrong here
Removing the battery may not be safe if the swelling has deformed the case; also, many modern laptops require the battery to be installed for operation. The immediate priority is to stop using the device.
- ✗
Continue using it but only on battery power to avoid overheating the charger.
Why it's wrong here
Using a swollen battery on battery power still risks thermal runaway. The battery must be handled as hazardous waste, not used.
- ✓
Shut down the laptop immediately, disconnect the battery if safely possible, and replace the battery as soon as possible.
Why this is correct
This follows proper safety protocols: stop using the device, isolate the battery, and replace it. A swollen battery must be treated as hazardous electronic waste.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Place the laptop in a freezer to reduce swelling, then continue using it.
Why it's wrong here
Freezing a lithium-ion battery can cause internal short circuits and is extremely dangerous. Batteries must never be subjected to extreme temperatures.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CompTIA often tests the misconception that a swollen battery is safe to use if kept plugged in or if the battery is removed, when in fact any continued use or physical handling of a swollen battery poses immediate fire and chemical hazard risks.
Detailed technical explanation
How to think about this question
Lithium-ion battery swelling is caused by the decomposition of the electrolyte into gases (e.g., carbon dioxide, methane) due to overcharging, internal short circuits, or manufacturing defects. The battery management system (BMS) may not detect this early stage of failure, so the swelling can progress rapidly. In a real-world scenario, a swollen battery can press against the trackpad, keyboard, or chassis, and if punctured by the cracking case, it can ignite or release toxic fumes.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 220-1202 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Environmental Awareness and Impact — study guide chapter
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FAQ
Questions learners often ask
What does this 220-1202 question test?
Environmental Awareness and Impact — This question tests Environmental Awareness and Impact — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Shut down the laptop immediately, disconnect the battery if safely possible, and replace the battery as soon as possible. — A swelling lithium-ion battery indicates internal chemical breakdown and gas generation, which can lead to thermal runaway, fire, or explosion. The immediate risk is physical rupture of the battery casing and potential short-circuiting. The correct action is to shut down the laptop, disconnect the battery if it can be done safely without puncturing it, and replace it as soon as possible to eliminate the hazard.
What should I do if I get this 220-1202 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This 220-1202 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1202 exam.
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