Chapter 2. Troubleshooting, Repair, and Maintenance

COMPTIA A+ ESSENTIALS EXAM OBJECTIVES 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

  • 2.2 Given a scenario, explain and interpret common ...

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