Chapter 8. Troubleshooting Theory and Preventive Maintenance
THE FOLLOWING COMPTIA A+ ESSENTIALS EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:
2.1 Given a scenario, explain the troubleshooting theory
Identify the problem
Question user and identify user changes to computer and perform backups before making changes
Establish a theory of probable cause (question the obvious)
Test the theory to determine cause
Once theory is confirmed determine next steps to resolve problem
If theory is not confirmed re-establish new theory or escalate
Establish a plan of action to resolve the problem and implement the solution
Verify full system functionality and if applicable implement preventative measures
Document findings, actions and outcomes
2.5 Given a scenario, integrate ...
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