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Troubleshooting networking issues - Desktops

Ensure the latest BIOS code has been installed.
  1. Verify the correct settings in the System Configuration Utility (BIOS)
    • Power on the system, press F1 to enter the System Configuration Utility
    • Select Advanced, press enter
    • Verify Plug and Play Operating System is set correctly [Yes / No].
  2. Verify that the RJ45 data cable is properly connected and is not torn or frayed.
  3. The RJ45 cable should hang loosely from the connection and not be under tension.
  4. Test the connection on a different port of the hub, switch or router.
  5. Remove any extra equipment between the client and the server.
  6. Uninstall all drivers, and then reinstall. Apply any applicable service packs.
Need more help?
Please select one of the following options for further assistance:

Go to troubleshooting Ethernet adapter issues - View the Ethernet troubleshooting document
Go to Troubleshooting Token Ring adapter issues - View the Token Ring troubleshooting document
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  • Alias ID: MIGR-4Y686Y
  • Document ID: HT080222
  • Last Updated :17 Jun 2014
  • (c) 2014 Lenovo