Windows Wi-Fi doesn't have a valid IP configuration

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  1. Posts : 822
    Microsoft Windows 10 Pro 64-bit
       #21

    At this point I would open up Device Manager and see if you can roll back the Driver.
    To open Device manager press the Windows key + R and type or paste the code below into it.
    Code:
    devmgmt.msc
    Windows Wi-Fi doesn't have a valid IP configuration-roll-back-driver.jpg

    If it's greyed out like mine is above I would uninstall it. But first I would go to your manufactures web site and download the drivers for it.
      My Computer


  2. Posts : 11
    Windows 10
    Thread Starter
       #22

    It was greyed out so reinstalled still the same problem: No Internet, secured
      My Computer


  3. Posts : 822
    Microsoft Windows 10 Pro 64-bit
       #23

    I would check the forums of the manufacturer and see if anyone else is having problems with that WiFi card with Windows 10. Other than that I'm stumped
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  4. Posts : 76
    Windows 10
       #24

    I just spent an hour trying to fix this problem. I then just did a system restore and the problem was resolved.
      My Computer


  5. Posts : 1
    win10
       #25

    I have had the same issue, i just tried everything on this feed just about gave up hope, when i came across this and then it worked. So i want to share this with anyone else having an issue with it. I was able to resolve it by going to Control Panel - System - Device Manager - Network adapter - and right click on Qualcomm Atheros wireless Network adapter and click Enable and everything worked again. MUST do it from the Device manager setting.
      My Computer


  6. Posts : 49
    Windows 7
       #26

    I've had 2 calls for this issue in the last 3 days. Has M$ been "fixing" Windows 10 again? TCP/IP stack reset resolved the problem.


    • To open a command prompt, type cmd in the search box
    • At the command prompt, enter the following command, and then press Enter: netsh int ip reset c:\resetlog.txt Note If you don't want to specify a directory path for the log file, run the following command instead: ...
    • Restart the computer.

    hth
      My Computer


  7. Posts : 107
    windows xp, vista, 7, 8.1, 10 multiboot
       #27

    Another messed up Windows Update


    Last week Microsoft issued a cumulative update version 1607 which messed up the DHCP settings resulting in this error. They issued a patch to correct this error yesterday.

    So far I have fixed 8 PCs with this issue (and live in a village of only 5000 people!!)

    I have tried various suggested fixes but the one that I found that worked was as follows:

    Device manager: uninstall the affected network driver (but don't remove the driver software).

    Go into the Command Prompt (with admin rights) and type:
    ipconfig /flushdns
    netsh int ip reset resetlog.txt
    netsh winsock reset


    Close the command prompt and restart the PC; restarting should automatically re-install the network driver, but on one occasion I had to ask the device manager to check for new hardware and re-install, depends on yr system settings). I sometimes have to do this twice, I'm not sure but perhaps there is a delay before the system resets itself and acquires a new IP address from yr router.

    If using wifi, you will need to re-enter yr wifi key/password.

    Hope it helps you
      My Computer


  8. Posts : 3
    Windows 10
       #28

    I spent hours screwing with this d mn problem. Issue was exactly as described on and on by shay but there was one new nugget here that saved the day!! From command prompt as administrator I dropped in this baby and it just said OK.. and it was! Thanks for that beauty. Nothing else helped.

    netsh interface ip delete arpcache
      My Computer


 

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