Internet not working (ethernet light blinking) after changing DNS

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  1. Posts : 26
    Windows 10
       #1

    Internet not working (ethernet light blinking) after changing DNS


    So I changed my DNS to 8.8.8.8 to circumvent a blocked website but then later used a VPN instead and switched back to the "automatically obtain dns" option. Around half an hour later, internet is not working. The ethernet light on the router is flashing. I plug the cable in to another PC and the light isn't flashing and the internet works just fine, so it's not the router nor the internet.

    What can I do here?
    I have tried uninstalling, reinstalling, updating the drivers but nothing worked.
    I also did the Network reset but that wasn't helpful

    Using Windows 10 Home.
    Motherboard - Biostar H61MU3
      My Computer


  2. Posts : 35,400
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #2

    Hi, is this correct - no proxy?
    Internet not working (ethernet light blinking) after changing DNS-1.png
      My Computers


  3. Posts : 6,960
    windows 10
       #3

    From a cmd prompt type

    ipconfig /all

    post results
      My Computer


  4. Posts : 26
    Windows 10
    Thread Starter
       #4

    dalchina said:
    Hi, is this correct - no proxy?
    Internet not working (ethernet light blinking) after changing DNS-1.png
    No. I mean this https://i.imgur.com/Y97zAfr.jpg

    Samuria said:
    From a cmd prompt type

    ipconfig /all

    post results
    Here https://i.imgur.com/mO5a50e.jpg
      My Computer


  5. Posts : 35,400
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #5

    Thank you for your reply which does not address my question.
      My Computers


  6. Posts : 26
    Windows 10
    Thread Starter
       #6

    dalchina said:
    Thank you for your reply which does not address my question.
    Apologies. I misunderstood your reply
    Yes, settings are the same as the pic you shared https://i.imgur.com/BzZpFqw.jpg
      My Computer


  7. Posts : 6,960
    windows 10
       #7

    The ipconfig shows your network is disconnected network card, cable, router port one of thos may be faculty of
      My Computer


  8. Posts : 26
    Windows 10
    Thread Starter
       #8

    Samuria said:
    The ipconfig shows your network is disconnected network card, cable, router port one of thos may be faculty of
    Cable and router port are definitely not faulty. Network card can be faulty but I highly doubt it. It's clear something messed up when changing the DNS
      My Computer


  9. Posts : 17,344
    Windows 11 Pro
       #9

    Raiz said:
    Cable and router port are definitely not faulty. Network card can be faulty but I highly doubt it. It's clear something messed up when changing the DNS
    Like it or not, the results of ipconfig show that your network card is not physically connected to the network.
      My Computer


  10. Posts : 26
    Windows 10
    Thread Starter
       #10

    NavyLCDR said:
    Like it or not, the results of ipconfig show that your network card is not physically connected to the network.
    I understand that. I am just saying that it's highly unlikely that it's physically faulty.
      My Computer


 

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