What is the next troubleshooting step after a theory of probable cause has been established?

After establishing a theory of probable cause, the next logical step in the troubleshooting process is to test the theory to determine whether it is indeed the cause of the problem. This involves systematically working through procedures to gather data, perform checks, and conduct tests that either support or refute the initial theory. By doing so, you can observe the system's behavior in response to specific changes or inputs, which helps to clarify whether the identified theory is responsible for the issues being experienced.

Testing the theory is crucial as it leads to either confirmation or the need to revise the approach if the initial hypothesis does not hold true. This step is foundational in systematic problem-solving as it transitions the troubleshooting process from speculation to empirical evaluation, which is key for effective resolution.

While other choices relate to aspects of the troubleshooting process, they are not the immediate next step after forming a theory. Analyzing historical data may provide insights but is generally done earlier in the troubleshooting process. Documenting findings is important, but it typically occurs after testing is completed, and implementing a new solution is the final step that follows successful testing and verification of a cause.