Put the following troubleshooting steps in order 11. Verify full system functionality and, if applicable, implement preventive measures 8. Once the theory is confirmed, determine the next steps to resolve the problem 3. Refer to the vendor's instructions for guidance 1. Gather information from the user, identify user changes, and, if applicable, perform backups before making cha 6. v Test the theory to determine the cause 2. v Inquire regarding environmental or infrastructure changes 10. Establish a plan of action to resolve the problem and implement the solution 4. If necessary, conduct external or internal research based on symptoms 12. Document the findings, actions, and outcomes 9. v Identify the problem 7. If the theory is not confirmed, re-establish a new theory or escalate 5. Establish a theory of probable cause (question the obvious)