According to CompTIA's best-practice troubleshooting methodology, what should a technician do if testing shows that the original theory of probable cause is incorrect?
Reboot the system and document the steps taken so far before continuing.
Continue testing the same theory until the problem is isolated.
Formulate a new theory or escalate the issue to the appropriate resource.
Replace the suspected hardware immediately without further analysis.
Step 3 of the CompTIA troubleshooting process specifies: If the theory is not confirmed, the technician must either develop a new theory or escalate the issue. Persisting with a disproven theory wastes time and resources.
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What is the theory of probable cause in troubleshooting?
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Why is it important to re-establish a new theory if the initial theory of probable cause is not confirmed?
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What does it mean to escalate a troubleshooting issue, and when should it be done?