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A+ Troubleshooting model
STAGE 1
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Identify the problem
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A+ Troubleshooting model
STAGE 2
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Establish a theory of probable cause
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A+ Troubleshooting model
STAGE 3
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Test the theory to determine actual cause
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A+ Troubleshooting model
STAGE 4
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Create a plan of action
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A+ Troubleshooting model
STAGE 5
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Verify the results
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A+ Troubleshooting model
STAGE 6
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Document resolution
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