Wireless doesn't have a valid IP configuration

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  1. Posts : 6
    windows 7 64 bit
       #1

    Wireless doesn't have a valid IP configuration


    I have been having this problem intermittently for some time. I can be connected at home to my wireless network fine and then something happens and i get 'wireless doesn't have a valid IP configuration'. Sometimes if i plug into the network (wired) the wireless will be fine again and sometimes (like now) not. I've tried disabling bonjour, 0ing the dhcpbroadcastflag, disabling the ipv6, resetting the adapter, rebooting, etc etc etc.
    Here's the text of my ipconfig:

    Windows IP Configuration

    Wireless LAN adapter Wireless Network Connection:
    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . : hsd1.co.comcast.net.
    Link-local IPv6 Address . . . . . : fe80::e4b1:7869:2645:dcdc%12
    IPv4 Address. . . . . . . . . . . : 192.168.0.9
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.0.1

    Wireless LAN adapter Wireless:

    Connection-specific DNS Suffix . :
    Autoconfiguration IPv4 Address. . : 169.254.82.105
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :

    Tunnel adapter isatap.hsd1.co.comcast.net.:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : hsd1.co.comcast.net.

    Tunnel adapter 6TO4 Adapter:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :

    Tunnel adapter isatap.{45467C39-91F7-49EB-AE0B-B76AB9DF2CB5}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :

    Tunnel adapter Teredo Tunneling Pseudo-Interface:

    Connection-specific DNS Suffix . :
    IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:1828:2c42:e7f7:2fa
    Link-local IPv6 Address . . . . . : fe80::1828:2c42:e7f7:2fa%16
    Default Gateway . . . . . . . . . : ::

    Tunnel adapter isatap.{E9C5C728-D4C1-4F56-AF52-F78198880CBE}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :

    Anybody have any ideas? THANKS!
      My Computer


  2. aem
    Posts : 2,698
    Windows 7 Ultimate 64Bit
       #2

    No DNS IP. Your home network isn't talking to your ISP.

    Please provide info on how you have setup your home network.
      My Computer


  3. Posts : 6
    windows 7 64 bit
    Thread Starter
       #3

    Thanks for your response. What info about my home network setup do you need exactly?
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  4. aem
    Posts : 2,698
    Windows 7 Ultimate 64Bit
       #4

    Is this your setup?

    Modem ===> Router ---- ( wifi network) -----> laptop?
      My Computer


  5. Posts : 6
    windows 7 64 bit
    Thread Starter
       #5

    That's right
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  6. aem
    Posts : 2,698
    Windows 7 Ultimate 64Bit
       #6

    Your modem is administered by your ISP. When you connect a device to it in this case the router, your ISP will know this but it does not know what you want to do with it. Well it does but it doesn't assume you are going to setup a wireless network...

    If you ISP has setup DHCP on your modem, you then need to do the same on your router. Is this done correctly?
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  7. Posts : 6
    windows 7 64 bit
    Thread Starter
       #7

    I assume so - other laptops in the house connect to the wireless without issues...
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  8. Posts : 2,913
    Windows 7 Ultimate x64 SP1
       #8

    Please fill out your system specs completely so we know what hardware you have. That helps the troubleshooting process.
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  9. aem
    Posts : 2,698
    Windows 7 Ultimate 64Bit
       #9

    Ok assuming it's just one laptop that is having issues.

    When you plug the laptop into the router port for the first time the router does not recognize the MAC address and therefore would not allow you access (to obtain all DHCP IPs). you will need to make sure it does by what's call MAC Address Cloning. If you are connecting via wifi, is your Wifi MAC Filter set to Off?
      My Computer


  10. Posts : 6
    windows 7 64 bit
    Thread Starter
       #10

    I'm not sure - how can i tell?
      My Computer


 
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