1.    18 Jan 2016 #1
    Join Date : Jan 2016
    Posts : 2
    Windows 10

    Ethernet does not have a valid IP configuration


    Hi guys,

    I am running Windows 10 demo version.

    I have problems connecting to the net. I am shown the error along the lines of "Ethernet does not have a valid IP configuration".

    From command prompt I run "ipconfig/all" and here is the console's output:

    Click image for larger version. 

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    When I run "ipconfig/renew" it fell through:

    Click image for larger version. 

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    I should add, I have no problems on Windows Vista however.

    Any ideas?
      My ComputerSystem Spec
  2.    18 Jan 2016 #2
    Join Date : Sep 2014
    Posts : 340
    Window 10

    There is an issue with your network adapter (probably the device driver or messed up network settings). If Windows cannot get an IP address from the network, this is the IP it assigns itself. Check Device Manager, or re-install your network settings.
      My ComputerSystem Spec
  3.    28 Jan 2016 #3
    Join Date : Jan 2016
    Posts : 16
    Windows 10

    Quote Originally Posted by PJLLB View Post
    There is an issue with your network adapter (probably the device driver or messed up network settings). If Windows cannot get an IP address from the network, this is the IP it assigns itself. Check Device Manager, or re-install your network settings.
    How does one re-install network settings?Background:I started having problems after the Jan 13 critical update. Lost internet. Network diagnostics showed winsock registry entries missing. I used borgus' fix to get past that, now I have invalid IP config messages for both wired and wireless connections. network device drivers are up to date.Network Protocols Missing - Page 3 - Windows 10 Forums!
      My ComputerSystem Spec
  4.    28 Jan 2016 #4
    Join Date : Jan 2016
    Posts : 16
    Windows 10

    According to this:

    Ethernet doesnt have a valid IP config, windows 10 - windows 10 - Networking

    The subnet mask should be 255.255.255.0, instead of 255.255.0.0.

    Running ipconfig on my wife's laptop I see that it is 255.255.255.0, but 255.255.0.0 on the machine with the problem.

    However, I don't know how fix this problem.

    I tried manually setting the IP address (using the settings from my wife's laptop) into the ipv4 parameters and the invalid IP configuration error went away. Now when I run network diagnostics I get a message that there is an unknown problem. I tried pinging my router and get a general failure message.

    Any ideas?
      My ComputerSystem Spec
  5.    01 Feb 2016 #5
    Join Date : Jan 2016
    Posts : 2
    Windows 10
    Thread Starter

    Just an update. I fixed the problem by... restarting the router
      My ComputerSystem Spec

 


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