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Testing Network Cables

If your computer can't communicate with any other on your LAN, and the Device Manager doesn't indicate a faulty network card, you might have a wiring problem. Wiring problems can be the most difficult to solve, as it's quite difficult to prove that data is leaving one computer but not arriving at another. The ping program, which I'll discuss later in this chapter, can help with this problem.

→ To learn how you can use the ping command to diagnose Internet-related network problems, see "ping."


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