220-1101 - Hardware and Network Troubleshooting - Section 5.1
Apply the best practice methodology to resolve problems, following the ordered CompTIA troubleshooting steps from identifying the problem through documenting findings.
Apply the six-step CompTIA troubleshooting methodology in order: identify the problem, establish a theory of probable cause, test the theory, establish and implement a plan of action, verify full system functionality with preventive measures, and document findings, actions, and outcomes. Recognise that escalating or backing up data may be required before changes, and never skip verification or documentation.
Troubleshooting methodologyTheory of probable causeVerify functionalityDocument findings
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