Identify the specific symptom or problem
Review the full history of the issue
Check for common causes first
Perform a physical or visual inspection
Gather relevant measurements or test results
Compare findings with normal values or expected behavior
Narrow down possible causes one by one
Use targeted tests to confirm the most likely cause
Rule out alternative explanations
Reassess if the initial diagnosis does not fit all findings
Confirm the diagnosis with repeat or additional testing
Document the final diagnosis and supporting evidence