8.1. Understanding Troubleshooting Theory
When troubleshooting, you should assess every problem systematically and try to isolate the root cause. Yes, there is a lot of art to troubleshooting, and experience plays a part too. But regardless of how "artful" or experienced you are, haphazard troubleshooting is doomed to fail. Conversely, even technicians with limited experience can be effective troubleshooters if they stick to the principles. The major key is to start with the issue and whittle away at it until you can get down to the point where you can pinpoint the problem—this often means eliminating, or verifying, the obvious.
Although everyone approaches troubleshooting from a different perspective, a few things should remain constant. First, ...
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