Windows troubleshoot network connection

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  • Verify that another computer can connect with this jack.
  • ipconfig /all
  • connections?
  • ping 127.0.0.1
  • ping self (get ip address from ipconfig)
  • ping gateway
  • ping dns server
  • ping google
  • If you can reach some remote hosts but not others, use tracert (win)/traceroute (unix).
  • Check Event Viewer logs: System, Application, Security.
  • For laptop, check network device power management.
  • Go to Network Connection Status. Check Support. Use Repair to reset network caches
  • From cmd, run Network Diagnostics with netsh diag gui.
  • Task Manager Networking tab
  • Find the relevant device in Network Connections and make sure it's not Disabled.
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