Apply Troubleshooting Methodology Flashcards
Lesson 3A
simply involves having a detailed knowledge of how something is supposed to work and of the sort of things that typically go wrong.
being an effective troubleshooter
CompTIA’s A+ troubleshooting model
- Identify the problem
- Establish a theory of probable cause (question the obvious)
- Test the theory to determine the cause
- Establish a plan of action to resolve the problem and implement the solution
- Verify full-system functionality and, if applicable, implement preventive measures.
- Document the findings, actions, and outcomes.
- Identify the Problem
Gather info, ask key questions
Perform Back up
- Establish a theory of probable cause (question the obvious)
*Probable Cause, test theory
*Conduct Research
*Question the obvious
Establish a plan of Action to resolve
*You have to assess the resources, time, and cost required.
*Consider potential impacts/constraints on systems by your actions.
*Know corporate policies and procedures.
Implement the solution
*Communicate with Other IT staff about rules n regulations
*What will be affected
*Time constraint/schedule
*refer to vendor instructions
*Verify/ record all steps and results
Verify and Document
*Check issue is an isolated or a part of a bigger problem.
*Check software updates /device driver.
*Inform of changes and found solution with client/Log.
*Implement preventive measures.
Document Findings, Actions, and Outcomes
*Findings within ticket system: who’s responsible/problem.
*Statistics of IT infrastructure.
*Write clearly and concisely.