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220-1201 A technician is upgrading the RAM in a laptop Practice Question
A technician is upgrading the RAM in a laptop. After installing two new 8GB sticks, the laptop fails to boot and emits a series of beeps. What is the most likely cause?
⚠ Common exam trap
The 220-1201 exam often tests the misconception that RAM incompatibility is the primary cause of boot failures after an upgrade, but the trap here is that the beep code and recent physical installation strongly suggest a seating issue rather than a compatibility or firmware problem.
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
✓
The RAM modules are not fully seated in the slots.
The most likely cause is that the RAM modules are not fully seated in the slots. When RAM is not properly inserted, the laptop's POST (Power-On Self-Test) fails, and the system emits a series of beeps to indicate a memory error. This is a common issue after installation, as RAM requires firm, even pressure to click into place and make full contact with the slot's pins.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The RAM is not compatible with the motherboard.
Why it's wrong here
While RAM incompatibility with the motherboard is a potential issue, it typically manifests as a complete failure to boot, a blank screen, or specific error codes displayed on the screen if the system progresses far enough. Beep codes, particularly those indicating memory errors, are more commonly associated with a physical connection problem rather than a fundamental electrical or architectural mismatch. A system might not even attempt to access incompatible RAM in a way that generates a standard memory beep code.
- ✓
The RAM modules are not fully seated in the slots.
Why this is correct
Improperly seated RAM modules are a very common cause of memory-related beep codes during system startup. If a module is not fully pushed into its slot until the side retention clips audibly click into place, some of its electrical contacts may not connect properly with the motherboard. This incomplete connection prevents the Power-On Self-Test (POST) from successfully initializing the memory, triggering the diagnostic beep sequence.
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The laptop's BIOS needs to be updated.
Why it's wrong here
A BIOS update addresses firmware-level issues or adds support for newer hardware components, but it is rarely the solution for immediate hardware installation problems indicated by beep codes. Beep codes are low-level diagnostic signals generated by the BIOS during the Power-On Self-Test (POST) to communicate critical hardware failures before the operating system loads. These codes specifically point to a physical hardware fault, such as unseated RAM, rather than a software configuration or compatibility issue requiring a firmware revision.
- ✗
The RAM was installed in the wrong orientation.
Why it's wrong here
RAM modules feature a physical notch, or key, precisely aligned with a corresponding ridge in the DIMM slot. This design prevents incorrect insertion, making it virtually impossible to install RAM in the wrong orientation without applying excessive force. Such force would likely damage the module's pins or the slot's contacts, resulting in more severe symptoms than just beep codes, or preventing insertion altogether.
Go deeper
Related to this question
Learn chapter
Laptop Hardware and Components
Key term
Dual In-line Memory Module
A Dual In-line Memory Module (DIMM) is a small circuit board that holds memory chips and plugs into a computer's motherboard to provide Random Access Memory (RAM).
Key term
POST
Power-On Self-Test (POST) is a diagnostic process that a computer runs when it first powers on to check that essential hardware components are working correctly before loading the operating system.
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JA
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.