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220-1201 Practice Question: A user complains that their laptop, which has 8…
A user complains that their laptop, which has 8 GB of RAM soldered on the motherboard, is running slowly when multitasking. They ask if they can add more RAM. The laptop has one empty SO-DIMM slot. What is the best recommendation?
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
✓
Recommend adding a SO-DIMM module of the same type and speed as the soldered RAM.
The laptop has a single empty slot, so adding a SO-DIMM module will increase total RAM. However, mixing a soldered module with a SO-DIMM may force single-channel operation, but the capacity gain outweighs this. The technician should recommend adding a compatible DDR4 or DDR5 SO-DIMM (depending on laptop) to improve performance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Advise the user to replace the laptop because soldered RAM cannot be upgraded.
Why it's wrong here
While the soldered RAM itself is permanently affixed to the motherboard and cannot be replaced, many laptops featuring soldered RAM also include an additional, empty SO-DIMM slot. This design allows for a system memory upgrade by adding a module to the available slot, thereby increasing the total RAM without needing to replace the entire laptop. Therefore, advising a full laptop replacement is incorrect and premature, as an upgrade path often exists.
- ✓
Recommend adding a SO-DIMM module of the same type and speed as the soldered RAM.
Why this is correct
Adding a SO-DIMM module that precisely matches the existing soldered RAM's type (e.g., DDR4), speed (MHz), and potentially latency (CL) ensures optimal system stability and performance. This approach maximizes the chances of the new module working seamlessly with the integrated memory, potentially enabling dual-channel operation in a flex mode if the chipset supports it with a mixed configuration, and significantly boosts multitasking capabilities. This is the most effective and common upgrade path for laptops with one soldered module and one empty slot.
- ✗
Suggest removing the soldered RAM and replacing it with a larger module.
Why it's wrong here
Soldered RAM is directly integrated into the motherboard using surface-mount technology, making it a permanent component that cannot be physically removed or replaced by an end-user or even most repair shops. Attempting to desolder and replace it would require specialized equipment and expertise, carrying an extremely high risk of damaging the motherboard beyond repair. Therefore, suggesting its removal for replacement is technically unfeasible and impractical for a standard upgrade scenario.
- ✗
Tell the user to install two SO-DIMM modules for dual-channel.
Why it's wrong here
Installing two SO-DIMM modules implies adding two *new* modules, which is not possible if the laptop only has one *empty* slot available, with the other 'slot' effectively occupied by the soldered RAM. While dual-channel memory generally requires two identically sized and matched modules to function optimally, the presence of one soldered module and one empty slot typically limits the upgrade to a single additional module. This configuration might still operate in a flex mode dual-channel, but two discrete SO-DIMM modules cannot be installed.
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Laptop Hardware and Components
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