220-802 Question #965: Real Exam Question with Answer & Explanation

The correct answer is A: Memory module with integrity issues. Random BSODs and unexpected shutdowns occurring immediately after a memory upgrade most commonly indicate a defective memory module rather than a compatibility or configuration issue.

Question

A technician recently installed a memory upgrade for a laptop. Since then, the laptop has been experiencing random blue screen errors and unexpected shutdowns. Which of the following is MOST likely the cause?

Options

AMemory module with integrity issues
BIncompatible memory type
CThe BIOS has not been set explicitly for dual channel operation
DThe BIOS is having an IRQ conflict with the newly installed memory

Explanation

Random BSODs and unexpected shutdowns occurring immediately after a memory upgrade most commonly indicate a defective memory module rather than a compatibility or configuration issue.

Common mistakes.

B. Incompatible memory type would typically prevent the system from completing POST or booting at all, rather than allowing the OS to load and then crash randomly.
C. Dual channel operation is detected and configured automatically by modern BIOS firmware and its absence degrades performance but does not cause BSODs or shutdowns.
D. IRQ conflicts are managed automatically by modern BIOS and UEFI firmware and do not apply to memory modules, which do not use IRQs.

Concept tested. Diagnosing faulty RAM causing BSODs post-upgrade

Reference. https://learn.microsoft.com/en-us/windows-hardware/drivers/debugger/bug-check-code-reference2

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