Given the following scenario, diagnose the problem:
You are a technical field engineer looking at your daily tickets and one of them is a trouble ticket escalated with a high priority. The description reads that the user cannot connect to the network and with a series of initial testing the user is unable to view any WebPages in the browsers or connect to any shared network drives. Illustrate what tools and steps you would take in solving the user's network client's connectivity issues.
Explain how you would go about solving the problem.