The network adapter does not have valid IP configuration

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One of the most common situations users Windows 10, 8 and Windows 7 — problems with Internet and a message stating that the network adapter (wifi or Ethernet) does not have a valid IP configuration when using standard tools diagnose and Troubleshooting network.

In this tutorial described step by step what to do in this situation, to correct an error related to the lack of valid IP configuration and return to normal functioning of the Internet. Can also be useful: the Internet is Not working in Windows 10, does Not have Wi-Fi in Windows 10.

Note: before performing the procedure below, try to disable your Internet connection Wi-Fi or Ethernet, and then re-enable it. To do this, press Win+R on keyboard, type ncpa.cpl and press Enter. Just right click the problem connection and select «Disable». After it is disabled, the same way turn it on. For a wireless connection, try also to disable and re-enable your Wi-Fi router.

Re-obtaining IP settings

If properly working connection gets its IP address automatically, then this problem can be solved by simply updating from the router or ISP’s IP address. In order to do this, follow these steps.

  • Start a command prompt as an administrator and in order, use the following commands.
  • ipconfig /release
  • ipconfig /renew
  • Close the command prompt and check whether you have solved the problem.

    Often this method does not help, but at the same time, it is the most simple and safe.

    Reset TCP/IP

    The first thing to try when the message appears stating that the network adapter has a valid IP configuration — reset the network settings, in particular settings of IP (and WinSock).

    Note: if you have a corporate network and configure Ethernet and Internet administrator is, the following undesirable (you can reset any specific settings required to operate).

    If you have Windows 10, I recommend are outlined in the system function, to meet which can be found here: Reset network settings Windows 10.

    If you have a different version of the OS (but is suitable for «tens»), then follow these steps.

  • Start a command prompt as administrator, then in order run the following three commands.
  • netsh int ip reset
  • nets int tcp reset
  • netsh winsock reset
  • Restart the computer
  • To reset TCP/IP settings in Windows 8.1 and Windows 7, you can use the utility available for download on the official Microsoft website: https://support.microsoft.com/ru-ru/kb/299357

    After the computer restarts, check back whether the performance of the Internet and, if not, does the Troubleshooting the same message as before.

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    Check the IP settings of the Ethernet connection or Wi-Fi

    Another option is to check the IP configuration manually and change them if necessary. After changes are listed in separate paragraphs further, check whether the problem is resolved.

  • Press Win+R on keyboard and type ncpa.cpl
  • Just right click the connection for which no valid IP configuration and select properties from the context menu.
  • In the properties window, in the list of protocols, select «Internet Protocol version 4» and open its properties.
  • Check — it is installed automatically obtain IP address and DNS servers. For most providers, this should be so (but if your connection uses Static IP, then change this is not necessary).
  • Try to manually put the DNS servers 8.8.8.8 and 8.8.4.4
  • If you are connecting through a Wi-Fi router, try instead of «obtain IP automatically» to manually register the IP address — is the same as that of the router, changed the last number. Ie if a router address, e.g. 192.168.1.1, try to write IP 192.168.1.xx (better not use the numbers 2, 3 and the other close to the unit — they may already be allocated to other devices), subnet mask are set automatically, and the default gateway address of the router.
  • In the connection properties window, try to turn off TCP/IPv6.
  • If none of this has proved helpful try the options in the following section.

    Additional reasons that the network adapter has a valid IP configuration

    In addition to these actions, in situations with «valid IP settings» culprits may be third-party programs, in particular:

    • Bonjour — if you installed some software from Apple (iTunes, iCloud, QuickTime), with a high probability in the list of installed programs you have Bonjour. The removal of this program can solve the described problem. Read more: Bonjour — what is it?
    • If your computer has installed third-party antivirus or firewall, try temporarily disabling them and see if the issue disappeared. If Yes, try removing and then re-install antivirus.
    • In the Windows device Manager try to uninstall your network adapter, and then in the menu select «Action» — «Update the hardware configuration». Will be reinstalling the adapter, it works sometimes.

    That’s about it. I hope some of the methods suited for your situation.