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CompTIA troubleshooting methodology:
- Identify the problem. (1. Define the Problem)
- Establish a theory of probable cause. (2. Collect Relevant information)
- Test the theory to determine cause. (3. Analyse the information)
- Establish a plan of action to resolve the problem and implement the solution. (4. Propose the Solution)
- Verify full system functionality and if applicable implement preventative measures. (did it fix the problem?)
- Document findings, actions, and outcomes. (5. Document the solution)
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