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Troubleshooting

A functioning Internet connection depends on a whole chain of correctly functioning hardware and software components that reach all the way from your keyboard to a computer that might be halfway around the world. Troubleshooting is a real detective's art, and it's based more on methodical tracking down of potential suspect problems than intuition. If something goes wrong, you have to go through each component in turn, asking, “Is this the one that's causing the problem?”

Let's assume that you are having trouble using a certain Web site. It could be that one of the following is happening:


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