1. Identify the Problem - Gather information, question users, and check logs to understand the symptoms and determine the scope., 2. Establish a Theory of Probable Cause - Develop a hypothesis for the root cause, starting with the simplest and most obvious issues., 3. Test the Theory to Determine Cause - Perform a single diagnostic test to confirm or deny the hypothesis; return to the previous step if the test fails., 4. Establish a Plan of Action and Implement the Solution - Create a formal step-by-step procedure and execute the fix (or escalate to higher support)., 5. Verify Full System Functionality - Ensure the original issue is resolved, confirm no new problems were created, and implement preventive measures., 6. Document Findings, Actions, and Outcomes - Record the problem description, root cause, steps taken, and final resolution to build a knowledge base.,

CompTIA A+ 1200 Series: Best Troubleshooting Techniques

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