The correct next step is to reseat the graphics card. One short beep from the motherboard speaker is the standard BIOS signal for a successful POST, confirming that the CPU, RAM, and core motherboard components have passed their initial checks. Since the system powers on but shows no display after POST, the fault lies in the video output chain—most commonly a loose or improperly seated graphics card. On the CompTIA A+ Core 1 220-1201 exam, this scenario tests your ability to interpret beep codes and isolate display issues without assuming a dead motherboard or faulty monitor. A common trap is to immediately replace the GPU or check the monitor cable, but the simplest and most likely fix is reseating the card in its PCIe slot. Remember the mnemonic: “One beep, no peep? Reseat the GPU, don’t leap.”
220-1201 Core PC Hardware Troubleshooting Practice Question
This 220-1201 practice question tests your understanding of core pc hardware troubleshooting. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 technician is troubleshooting a desktop that powers on but displays nothing on the monitor. The monitor is on and connected via HDMI. The technician hears one short beep from the motherboard speaker. What should the technician do next?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Reseat the graphics card
One short beep typically indicates a successful POST, meaning the CPU, RAM, and motherboard are likely functional. The issue is therefore probably with the display subsystem: the video card or its connection. The technician should reseat the GPU or try a different video output port.
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.
✗
Replace the RAM modules
Why it's wrong here
RAM failure would produce different beep codes, not a single short beep.
✗
Test the monitor on another computer
Why it's wrong here
The monitor is on and connected; testing it elsewhere is less efficient than checking the GPU connection first.
✓
Reseat the graphics card
Why this is correct
A single beep means POST passed, so the most likely cause is a loose or faulty GPU.
Related concept
Read the scenario before looking for a memorised answer.
✗
Flash the BIOS
Why it's wrong here
Flashing the BIOS is risky and unnecessary when POST is completing successfully.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 220-1201 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1201 question in full detail.
Identify which 220-1201 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Core PC Hardware Troubleshooting — This question tests Core PC Hardware Troubleshooting — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Reseat the graphics card — One short beep typically indicates a successful POST, meaning the CPU, RAM, and motherboard are likely functional. The issue is therefore probably with the display subsystem: the video card or its connection. The technician should reseat the GPU or try a different video output port.
What should I do if I get this 220-1201 question wrong?
Identify which 220-1201 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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