220-801 · Question #341
Which of the following laptop components can be replaced without having to power off the machine?
The correct answer is A. Battery. In the context of CompTIA A+ and general laptop design, the battery is the component intended to be user-replaceable while the system is running, as many laptops are designed to remain powered via AC adapter when the battery is removed. This is a feature specifically designed…
Question
Which of the following laptop components can be replaced without having to power off the machine?
Options
- ABattery
- BCPU
- CHard Drive
- DKeyboard
How the community answered
(24 responses)- A92% (22)
- C4% (1)
- D4% (1)
Explanation
In the context of CompTIA A+ and general laptop design, the battery is the component intended to be user-replaceable while the system is running, as many laptops are designed to remain powered via AC adapter when the battery is removed. This is a feature specifically designed for hot-swapping in business laptops. The CPU (B) requires complete disassembly and must be done with the system powered off and discharged to avoid static and thermal damage. The hard drive (C) and keyboard (D) are also internal components that require the system to be shut down before replacement to avoid data corruption or damage to the hardware and the technician. Hot-swap capability is a deliberate design feature, not an afterthought.
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