CompTIA
220-802 · Question #152
220-802 Question #152: Real Exam Question with Answer & Explanation
The correct answer is B: Power supply tester. A computer that begins to boot and then abruptly shuts down typically indicates a power supply problem, making a power supply tester the appropriate diagnostic tool.
Question
A computer starts to boot then quickly shuts down. Which of the following should the technician use to troubleshoot this issue?
Options
- AToner probe
- BPower supply tester
- CLoopback plugs
- DEvents logs
Explanation
A computer that begins to boot and then abruptly shuts down typically indicates a power supply problem, making a power supply tester the appropriate diagnostic tool.
Common mistakes.
- A. A toner probe is used to trace cable runs through walls and ceilings and has no application in diagnosing power or boot issues.
- C. Loopback plugs test network port functionality and have no relevance to diagnosing a computer that shuts down during boot.
- D. Event logs require the system to successfully boot far enough to log events; if the computer shuts down too quickly, no useful log entries will be recorded.
Concept tested. Diagnosing power supply failure with PSU tester
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