Windows 10: Possible Solution to Win 10 WiFi Connection Problems

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  1.    25 Nov 2015 #1

    Possible Solution to Win 10 WiFi Connection Problems


    PC - Toshiba with Atheros AR9002WB chipset.

    Symptom - After upgrading to Win 10 Pro from Win 7 Pro, my wifi connection started to periodically drop... that is, more specifically, I was unable to access any internet communications. This would happen most often overnight, but occasionally after several hours of use in the daytime.

    Disabling and enabling the wifi adapter did no good... I had to completely reboot in order to restore access. Upgrading to a different/newer driver made no difference.

    And then, last night, when it failed again, I found out that while I could not access the internet, I could readily access the router via its IP address typed into a browser bar.

    How weird is that? It demonstrates that the wifi connection to the router is definitely present and functional.

    So... back to the Win 10 PC... I check out the properties of the TCP IPv4 connection... the RadioBox "Obtain the DNS Server Address Automatically".

    I unchecked this box and manually entered the IP address of my router which I have set up for external DNS lookup. As soon as I saved the changes, my internet access was restored... no reboot... no nuthin'!

    I conclude there is an issue with automatically obtaining a DNS server IP address although I have no idea of how to verify, except perhaps go back to auto DNS, then the next time it fails, see what ipconfig has to say.

    Cheers.
      My ComputerSystem Spec


  2. Posts : 935
    Windows XP/7/8/8.1/10, Linux, Android, FreeBSD Unix
       26 Nov 2015 #2

    What version drivers are you using?
      My ComputerSystem Spec

  3.    01 Dec 2015 #3

    Almighty1 said: View Post
    What version drivers are you using?
    I had 10.0.0.251 and found a website that had a 10.0.298. Made no difference.

    Since I specified a DNS server I have not had a single drop... three days now and counting.
      My ComputerSystem Spec


  4. Posts : 935
    Windows XP/7/8/8.1/10, Linux, Android, FreeBSD Unix
       02 Dec 2015 #4

    Both of those are old, 10.0.0.326 might be better... Is your DNS setup correctly on the router?
      My ComputerSystem Spec

  5.    02 Dec 2015 #5

    Almighty1 said: View Post
    Both of those are old, 10.0.0.326 might be better... Is your DNS setup correctly on the router?
    Yes. As I said, changing from "Obtain the DNS Server Address Automatically" to specifying the router IP address made all the difference.

    If I ever catch a break, I'm going to put it back to auto DNS address, wait for it to fail again, then see what ipconfig has to say about available DNS servers.
      My ComputerSystem Spec


  6. Posts : 935
    Windows XP/7/8/8.1/10, Linux, Android, FreeBSD Unix
       02 Dec 2015 #6

    StrongEagle said: View Post
    Yes. As I said, changing from "Obtain the DNS Server Address Automatically" to specifying the router IP address made all the difference.

    If I ever catch a break, I'm going to put it back to auto DNS address, wait for it to fail again, then see what ipconfig has to say about available DNS servers.
    All you really have to do is allow it to obtain the DNS Server Address Automatically, then command prompt,
    do a nslookup Google and see if it actually queries or not and it will list the DNSes it used. ipconfig depending on the router is supposed to show the router's IP as it will basically query the router who will forward the request to the actually DNS servers.
      My ComputerSystem Spec

  7.    14 Dec 2015 #7

    After having no connection problems since my last post two weeks ago, I experienced a wifi loss on Saturday. Other devices, like my phone, that were connected to the router, were fine.

    As before, I was able to bring up the admin pages of the router without problem, and the settings were the same as I have previously left them. There was nothing obvious that would have caused my wifi to quit working.

    For fun, instead of rebooting my PC as I have in the past, I rebooted the router. This worked just fine.

    I still don't know any more about the root cause, though.
      My ComputerSystem Spec

  8.    15 Dec 2015 #8

    Having same problem. Next failure check WLAN Auto Config in MSC and check if its working. Mine keeps dropping. Also on one occasion I had several spurious DNS addresses added to my TCPIPv4 properties. I dont run DHCP on router, all devices on my home network have their own ip address and this laptop, being the only one running win10 and connecting wifi is the only device having connection dropping problems.
      My ComputerSystem Spec

  9.    17 Dec 2015 #9

    Still looking for a fix. Narrowed it down to WLAN Auto Config Service dropping out. As soon as I restart it, connection is restored until next dropout.
      My ComputerSystem Spec


  10. Posts : 5,151
    Windows 10 Pro X64 15063.483
       17 Dec 2015 #10

    Anything show in Event Viewer when the drop occurs?
      My ComputersSystem Spec


 
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