CompTIA A+ Core 1 · 220-1101
Objective 5.2: Troubleshoot problems related to motherboards, RAM, CPU, and power
Practice questions for A+ Core 1 objective 5.2, “Troubleshoot problems related to motherboards, RAM, CPU, and power.” Every question is original, written to the 220-1101 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 5.0: Hardware and Network Troubleshooting, which is about 29% of the exam — so mastering it moves your readiness score meaningfully.
1.During a POST, a system displays the error code "0x000000D1" on a Blue Screen. Which category of component should the technician investigate FIRST?
2.A technician opens a desktop PC and observes several capacitors on the motherboard that appear swollen or leaking. What is the recommended course of action?
3.A technician is diagnosing a system where the computer boots into Windows but the performance is extremely poor. CPU-Z shows the CPU is running at 800 MHz instead of its rated 3.6 GHz. What is the MOST likely explanation?
4.A user reports that their computer produces a burning smell when powered on. What should the technician do FIRST?
5.A user states their computer randomly reboots during gaming. A technician checks Event Viewer and finds no relevant entries, but notices the power supply unit (PSU) fan is not spinning. What is the MOST likely cause of the reboots?
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