- A
Replace the motherboard
Why wrong: Replacing the motherboard is costly and unnecessary if a backup BIOS is available.
- B
Use a USB flash drive with the correct BIOS file and press a recovery key combination
Why wrong: This method works for some boards, but if the primary BIOS is corrupted and no recovery mode is triggered, the backup chip is more direct.
- C
Remove the CMOS battery for 30 minutes
Why wrong: Clearing CMOS resets settings but does not restore a corrupted BIOS firmware.
- D
Switch the motherboard's dual BIOS jumper to the backup position
This physically selects the backup BIOS chip, allowing the system to boot and later reflash the primary chip.
Question 601 of 1,020
How to Recover a System After a Failed BIOS Update
This 220-1201 practice question tests your understanding of bios / uefi. 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.
During a BIOS update on a workstation, the power is interrupted, and now the system fails to POST. The motherboard has a backup BIOS chip. What is the most efficient way to recover the system?
Quick Answer
The answer is to switch the motherboard’s dual BIOS jumper to the backup position. This is the most efficient recovery method because the motherboard’s backup BIOS chip stores a factory-default firmware that remains untouched by the failed update, allowing the system to bypass the corrupted primary BIOS and restore POST functionality without external tools or reprogramming. On the CompTIA A+ Core 1 220-1201 exam, this scenario tests your understanding of BIOS recovery mechanisms and redundant firmware design, often appearing as a troubleshooting question where power loss during a BIOS update corrupts the primary chip. A common trap is assuming you need to replace the CMOS battery or reflash the BIOS from a USB drive, but the dual BIOS jumper provides a hardware-level fallback. Memory tip: think “jumper to jumper” — flip the jumper to flip the system back to life.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Switch the motherboard's dual BIOS jumper to the backup position
Many motherboards have a dual BIOS feature where a backup chip stores a factory-default firmware. Switching to the backup BIOS restores functionality without needing external tools. This scenario tests knowledge of BIOS recovery mechanisms and the importance of redundant firmware.
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 motherboard
Why it's wrong here
Replacing the motherboard is costly and unnecessary if a backup BIOS is available.
- ✗
Use a USB flash drive with the correct BIOS file and press a recovery key combination
Why it's wrong here
This method works for some boards, but if the primary BIOS is corrupted and no recovery mode is triggered, the backup chip is more direct.
- ✗
Remove the CMOS battery for 30 minutes
Why it's wrong here
Clearing CMOS resets settings but does not restore a corrupted BIOS firmware.
- ✓
Switch the motherboard's dual BIOS jumper to the backup position
Why this is correct
This physically selects the backup BIOS chip, allowing the system to boot and later reflash the primary chip.
Related concept
Read the scenario before looking for a memorised answer.
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.
What to study next
Got this wrong? Here's your next step.
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.
- →
BIOS / UEFI — study guide chapter
Learn the concepts, then practise the questions
- →
BIOS / UEFI practice questions
Targeted practice on this topic area only
- →
All 220-1201 questions
1,020 questions across all exam domains
- →
CompTIA A+ Core 1 220-1201 study guide
Full concept coverage aligned to exam objectives
- →
220-1201 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Related 220-1201 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Mobile Device Hardware Servicing practice questions
Practise 220-1201 questions linked to Mobile Device Hardware Servicing.
Mobile Device Connection Methods practice questions
Practise 220-1201 questions linked to Mobile Device Connection Methods.
Mobile Device Accessories practice questions
Practise 220-1201 questions linked to Mobile Device Accessories.
Mobile Device Network Connectivity practice questions
Practise 220-1201 questions linked to Mobile Device Network Connectivity.
Mobile Device Application Support practice questions
Practise 220-1201 questions linked to Mobile Device Application Support.
Network Protocols practice questions
Practise 220-1201 questions linked to Network Protocols.
TCP & UDP Ports practice questions
Practise 220-1201 questions linked to TCP & UDP Ports.
Wireless Networking Technologies practice questions
Practise 220-1201 questions linked to Wireless Networking Technologies.
Network Services practice questions
Practise 220-1201 questions linked to Network Services.
Network Configuration Concepts practice questions
Practise 220-1201 questions linked to Network Configuration Concepts.
Common Networking Hardware practice questions
Practise 220-1201 questions linked to Common Networking Hardware.
IP Addressing practice questions
Practise 220-1201 questions linked to IP Addressing.
Practice this exam
Start a free 220-1201 practice session
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Questions learners often ask
What does this 220-1201 question test?
BIOS / UEFI — This question tests BIOS / UEFI — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Switch the motherboard's dual BIOS jumper to the backup position — Many motherboards have a dual BIOS feature where a backup chip stores a factory-default firmware. Switching to the backup BIOS restores functionality without needing external tools. This scenario tests knowledge of BIOS recovery mechanisms and the importance of redundant firmware.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Keep practising
More 220-1201 practice questions
- During a network cable installation, a technician needs to verify that a newly run Cat6 cable is properly terminated and…
- A user connects a 4K monitor to their laptop using a USB-C port. The monitor is detected, but the resolution is stuck at…
- A technician is troubleshooting a laptop that will not charge. The battery is removable, and the power adapter works on…
- A customer brings in a smartphone with a broken charging port. They want the port replaced. During disassembly, the tech…
- A user reports that their laptop's keyboard types random characters when certain keys are pressed. The laptop has not be…
- A technician is troubleshooting a laptop that shuts down randomly after a few minutes of use. The fan is spinning, and t…
Last reviewed: Jun 18, 2026
This 220-1201 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1201 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.