The answer is to roll back the driver to a previous version. The yellow exclamation mark in Device Manager signals a driver problem, and when updating the driver fails with the message that the best driver is already installed, it indicates the current driver is faulty or incompatible rather than missing. Rolling back restores the last known working driver, which resolves the wireless adapter driver issue without needing hardware replacement. On the CompTIA ITF+ FC0-U61 exam, this scenario tests your understanding of driver troubleshooting hierarchy: update first, then roll back if update fails, and only replace hardware as a last resort. A common trap is assuming a failed update means the driver is fine, but the yellow mark proves otherwise. Remember the mnemonic “Yellow means roll back, not replace” to avoid jumping to hardware conclusions.
FC0-U61 Infrastructure Practice Question
This FC0-U61 practice question tests your understanding of infrastructure. 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 user reports that their laptop cannot connect to the office Wi-Fi. Other devices connect fine. The technician checks the wireless adapter status in Device Manager and sees a yellow exclamation mark. The technician attempts to update the driver but receives an error that the best driver is already installed. What should the technician do next?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Roll back the driver to a previous version
The yellow exclamation mark in Device Manager indicates a driver problem. Since updating the driver fails with 'best driver already installed,' the issue is likely a faulty or incompatible driver version. Rolling back the driver restores the previous working version, which is the correct next step before considering hardware replacement.
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.
✗
Run the Windows Network Troubleshooter
Why it's wrong here
The troubleshooter may not resolve driver-related problems.
✓
Roll back the driver to a previous version
Why this is correct
Rolling back can revert a problematic driver update and restore functionality.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Replace the wireless adapter
Why it's wrong here
Replacing hardware is a last resort after software troubleshooting fails.
✗
Disable and re-enable the wireless adapter
Why it's wrong here
This is a temporary fix and does not address the driver issue.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume 'best driver already installed' means the driver is fine, but the yellow exclamation mark explicitly contradicts that, and they overlook the rollback option in favor of generic troubleshooting or hardware replacement.
Detailed technical explanation
How to think about this question
The yellow exclamation mark in Device Manager corresponds to a code 10 or code 28 error, indicating the device cannot start due to a driver issue. Rolling back the driver uses the Windows Driver Store to revert to a previous version stored in %SystemRoot%\System32\DriverStore\FileRepository, which can resolve conflicts from a recent update. In real-world scenarios, this often occurs after a Windows Update pushes a generic driver that overrides a manufacturer-specific one, breaking advanced features like 802.11ac or WPA2-Enterprise support.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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.
Infrastructure — This question tests Infrastructure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Roll back the driver to a previous version — The yellow exclamation mark in Device Manager indicates a driver problem. Since updating the driver fails with 'best driver already installed,' the issue is likely a faulty or incompatible driver version. Rolling back the driver restores the previous working version, which is the correct next step before considering hardware replacement.
What should I do if I get this FC0-U61 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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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