Lost connection to DNS server...

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  1. icacream
    Posts : 63
    win10 Pro 64bits
       New #1

    Lost connection to DNS server...


    Hello,
    This happened after desinstalling Bittorrent which was bugging...
    It's on my PC, using ethernet, my laptop and my phones connect perfectly (wifi)
    The troubleshooter says : "computer appears to be correctly configured but the device Detected or resource (DNS server) is not responding"
    I tried everything advised on the support.microsoft page : Try these things first to help you fix or narrow down the connection problem, but to no avail
    Dunno where to go now..... my hope is in you !!!!!
    icacream
    Win10Pro
    Version 21H2
    OS 19044.2728
      My Computer
    Quote Quote

  3. FreeBooter
    Posts : 5,330
    Windows 11 Pro 64-bit
       New #2

    In this video, i will guide you on how to reset TCP/IP to help restore Windows internet settings back to their default state.

      My Computer
    Quote Quote

  4. icacream
    Posts : 63
    win10 Pro 64bits
    Thread Starter
       New #3

    Thanks FreeBooter, I did this already and all which figures on the Microsoft support page :
    https://support.microsoft.com/en-us/...0and%20router.
    Did not work !
      My Computer
    Quote Quote

  6. pepanee
    Posts : 2,917
    Windows 10 Pro for the Bro
       New #4

    Go to the DNS settings of your Ethernet connection.

    Lost connection to DNS server...-image.png

    1) Go to Network Connections
    2) Double click Ethernet
    3) Double click Internet Protocol Version 4
    4) The orange box all the way on the right in the picture. I'm using some custom DNS server, I don't even remember what it is. Whoops. I double clicked my Ethernet options; I'm using WiFi on this PC. The current DNS I'm using is: 9.9.9.9 (I have no clue what this one is either. I forget things), and the alternate I'm using is: Google's DNS: 8.8.8.8
    5) Press the OKs and see if the internet works. If not, restart the computer and see if the internet works.

    More updated picture:
    Lost connection to DNS server...-image.png

    Edit:
    9.9.9.9 DNS: 9.9.9.9 dns - Search
      My Computer
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  7. FreeBooter
    Posts : 5,330
    Windows 11 Pro 64-bit
       New #5

    Uninstall and reinstall network card driver.
      My Computer
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  8. icacream
    Posts : 63
    win10 Pro 64bits
    Thread Starter
       New #6

    Thanks pepanee, I first tried with the 8s, then saw your updated picture and tried with both the 9s and the 8s
    Restarted after both tries... but I'm back to square one

    FreeBooter : Uninstall the Ethernet network adapter driver and restart. is also part of Microsoft's advice - did not work for me
      My Computer
    Quote Quote

  9. FreeBooter
    Posts : 5,330
    Windows 11 Pro 64-bit
       New #7

    In this video, i will show you how to do a repair install of Windows 10 by performing an in-place upgrade without losing anything.

      My Computer
    Quote Quote

  10. Samuria
    Posts : 8,111
    windows 10
       New #8

    From a cmd prompt type

    ipconfig /all
    tracert 194.119.131.66

    post results
      My Computer
    Quote Quote

  12. icacream
    Posts : 63
    win10 Pro 64bits
    Thread Starter
       New #9

    General failure :(


    Thanks Samuria
    Here are the results :
    Lost connection to DNS server...-general-failure.jpg

    I wonder whether it's some virus...
    Malwarebytes quarantined 2 items and Avast gives a clean bill... but still...
      My Computer
    Quote Quote

  13. Samuria
    Posts : 8,111
    windows 10
       New #10

    Set DNS to 1.1.1.1 + 1.0.0 1
    From CMD prompt type
    Ping 192.168.0.1

    Post results

    Avast often gives these problems uninstall and there is often a tool on their website to clean up
      My Computer
    Quote Quote

 

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