A technician is troubleshooting a computer that frequently crashes and displays blue screen errors. After observing the symptoms, the technician establishes a theory that a faulty RAM module is the cause. Which of the following is the most direct method for testing this theory?
Update the motherboard's BIOS/UEFI firmware.
Check the system event logs for memory-related error codes.
Reinstall the operating system to rule out software corruption.
Swap the suspected RAM module with a known good module.
The correct answer is to swap the suspected RAM module with a known good module. This action directly tests the hypothesis that the RAM is the source of the problem. If the system becomes stable with the known good RAM, the theory is confirmed. Reinstalling the operating system or updating the BIOS are valid troubleshooting steps for different theories, such as software corruption or firmware incompatibility, not for testing a specific hardware component's functionality. Checking event logs is part of the first step, 'Identify the problem,' used to gather information and form a theory, rather than testing it.
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