Wired network troubleshooting involves diagnosing and resolving issues related to the physical components and connections of a network. When encountering problems, the initial steps include checking the physical layer, ensuring that cables are securely plugged in, and examining connectors for any signs of damage. Verifying the integrity of Ethernet cables and connectors is crucial, as damaged or improperly connected cables can lead to connectivity issues or signal degradation. Using network testing tools such as cable testers or continuity testers helps identify faulty cables or connection points. Additionally, checking network device configurations, such as IP addresses and subnet masks, ensures proper communication between devices in the network. Wired network troubleshooting requires a systematic approach, combining physical inspections with network diagnostics, to address issues promptly and maintain the reliability and performance of the wired infrastructure.