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220-1201 Practice Question: During a laptop keyboard replacement, a…
During a laptop keyboard replacement, a technician accidentally dislodges a small ribbon cable from the touchpad connector. The touchpad is now unresponsive. The technician has never worked on this model before. What is the best course of action to resolve the issue?
⚠ Common exam trap
Many candidates assume a reboot (Option B) will fix any unresponsive device, overlooking the fundamental hardware disconnection, or they may panic and try to force the cable into any available slot (Option A) without verifying the correct port.
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
✓
Consult the service manual to identify the correct connector and reseat the cable.
The most logical and safe first step when dealing with an unfamiliar laptop model is to consult the service manual. This ensures the technician identifies the exact connector for the touchpad ribbon cable, preventing damage from forcing the cable into the wrong port. Reseating the cable correctly is the standard fix for a dislodged connection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use tweezers to gently push the ribbon cable into any nearby empty connector.
Why it's wrong here
Ribbon cables are highly specific to their designated ports, often utilizing ZIF or LIF connectors designed for precise pin alignment. Attempting to force a touchpad ribbon cable into an arbitrary, nearby empty connector is highly problematic. This action can cause physical damage to the cable's delicate traces, bend connector pins, or even create an electrical short circuit due to misaligned voltage and data lines, potentially damaging the motherboard or the touchpad itself.
- ✗
Reboot the laptop to see if the touchpad driver reloads.
Why it's wrong here
Rebooting the laptop addresses software-related issues, such as corrupted drivers or operating system glitches, by reloading system processes. However, when a touchpad ribbon cable is physically dislodged, the hardware is no longer electrically connected to the system. The operating system cannot detect or communicate with the touchpad, regardless of driver status. Therefore, a reboot will not resolve a physical disconnection.
- ✓
Consult the service manual to identify the correct connector and reseat the cable.
Why this is correct
Laptop service manuals are indispensable resources for technicians, providing detailed component layouts, specific connector types, and step-by-step reassembly instructions. Consulting the manual ensures the technician correctly identifies the precise ZIF or LIF connector for the touchpad ribbon cable and understands its proper orientation. Reseating the cable correctly, with the latch secured, restores the necessary electrical continuity, allowing the touchpad to function as intended without risking damage.
- ✗
Replace the entire keyboard assembly since the touchpad cable is likely broken.
Why it's wrong here
The problem states the touchpad ribbon cable was 'dislodged' during a keyboard replacement, indicating a physical separation rather than inherent damage. Replacing the entire keyboard assembly, which often integrates the touchpad, is an unnecessary and costly escalation without first verifying actual component failure. A technician should always attempt to diagnose and rectify the immediate issue—a loose cable—before resorting to expensive parts replacement.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.