A laptop's wireless speed has been very slow since a new router was installed The...

The first step in troubleshooting is to reproduce the issue. This ensures that the problem exists as reported, and the technician can observe it directly. In this case:

Testing the wireless speed on the user's laptop while connected to the new router allows the technician to verify the problem and gather evidence for further troubleshooting.

Reproducing the issue helps confirm whether the problem is with the laptop, the router configuration, or other network factors.

Key Concepts:

CompTIA Troubleshooting Steps:

Identify the Problem: Confirm and reproduce the issue as reported by the user.

Establish a theory of probable cause.

Test the theory to determine the cause.

Plan and implement the solution.

CompTIA A+ Exam Objectives References:

220-1101, Section 5.1: Details the best practices for troubleshooting, including starting with verifying the problem exists as reported​​.