Users can check their Ethernet cable's speed by examining their computer's network settings on Windows or Mac. While the reported link speed indicates the connection between the device and the router, it doesn't reflect actual internet speed or the cable's maximum capacity. To determine if a cable is the bottleneck, users should verify the hardware on both ends, reseat connectors, and test with a known-good cable. For more precise throughput measurements, tools like iPerf3 can be used to test speeds between two wired computers. AI
RANK_REASON Article provides instructions on how to use existing hardware and software to diagnose a common technical issue.
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