This guide provides resources containing tips for troubleshooting networking (LAN) issues.
Troubleshooting network connection problems
Network connection problems can have many causes. Check these articles for troubleshooting steps you can take if you are experiencing connectivity problems:
Troubleshoot network connection problems
How to troubleshoot network connectivity problems in Internet Explorer*
Simple Network Troubleshooting (Linux*)
Walkthrough: Deploy an Image by using PXE*