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    Chapter 18

    Chapter 18

    Table 18-2. The Six-Step CompTIA A+ Troubleshooting Methodology
    StepDescription
    Step 1 
    Step 2Establish a theory of probable cause (question the obvious)
    Step 3Test the theory to determine the cause
    Step 4 
    Step 5Verify full system functionality and, if applicable, implement preventative measures
    Step 6 



      

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