What are the 7 steps of troubleshooting?
The steps are: identify the problem, establish a theory of probable cause, test the theory, establish a plan (including any effects of the plan), implement the plan, verify full system functionality, and—as a final step—document everything.
What is the most effective way to troubleshoot a problem?
The trick for effective troubleshooting is to identify and report in detail on the root cause so that the problem does not crop up again. If you're under a time crunch and can only make the symptom go away to meet a deadline, make sure you report that you have not identified the root cause and the fix is temporary.