Right click on "Network" then click properties, click change adapter settings, right click on your Local Area connection. Uncheck "Internet Protocol Version 6 TCP/IPv6"hit Okay. Then go to IPv4 hit properties, make sure Obtain IP address automatically is selected and obtain DNS automatically. Restart your machine and try to reconnect.
I'm waiting for a new router to arrive so mean while I tried to connect a Windows 7 Laptop via an Ethernet connection. I have Cox Cable Internet. I can't connect via LAN and when I do the troubleshoot to fix the problem it says: "Local Area Connection" doesn't have a valid IP configuration. The Laptop is set to automatically detect settings. Any help would be greatly appreciated.

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