Windows 10: Windows Doesn't Recognize Ethernet

Discus and support Windows Doesn't Recognize Ethernet in Windows 10 Network and Sharing to solve the problem; I ran Windows 8.1 on my desktop machine a few months ago, and later upgraded to Windows 10. Everything worked great at that time, but since have... Discussion in 'Windows 10 Network and Sharing' started by YourPalMark, Nov 27, 2015.

  1. Windows Doesn't Recognize Ethernet


    I ran Windows 8.1 on my desktop machine a few months ago, and later upgraded to Windows 10. Everything worked great at that time, but since have replaced Windows with Linux. Now I'm trying to install Windows again, with the same 8.1 disk that I used for my earlier installation, and my ethernet connection isn't found. (this is a direct wired ethernet, not wireless) I've installed with a local user account, dug into every networking utility in Windows, but whatever I do the internet goes undetected. I've run the ethernet thru different routers, and even circumvented the router all-together, but no luck. Has my 8.1 disk "expired"? Any thoughts on what's happening here?

    :)
     
    YourPalMark, Nov 27, 2015
    #1
  2. BenCaron Win User

    Problem with Ethernet cable.

    Yeah I did. I even deleted it (the Ethernet cable) from the device manager and make the pc recognize it again. It did recognize it but I still have the yellow triangle saying "the ethernet doesn't have a valid IP configuration".
     
    BenCaron, Nov 27, 2015
    #2
  3. computer doesn't recognize devices until reboot windows 10

    Hi I have switch on the PC (some time) doesn't recognize the devices( ethernet, printer, and scanner etc) then reboot the computer it will normal starting all devices?. I have upgraded windows 8.1 to windows 10
     
    markandeyaaithal, Nov 27, 2015
    #3
  4. JohnC Win User

    Windows Doesn't Recognize Ethernet

    Hi YourPalMark, welcome to Ten Forums. Your 8.1 disk has not expired. If you were activated before, you still are. Try either updating the drivers for the network adapter or resetting your network adapter first. Troubleshoot network adapter problems
    .

    Edit. The other thing to try is unplug the ethernet cable, reboot the router/modem, plug it back in and try to set up a new connection.
     
    JohnC, Nov 27, 2015
    #4
  5. I've tried all that without success. The only thing that I didn't try was to enter the IP info manually. (wasn't sure how to do it, particularly on a system with no internet)
    I just saw your edit with the added remark about rebooting the router and modem, something I didn't do. Should I install Windows with a local account, and then try the router/modem reboot?
     
    YourPalMark, Nov 27, 2015
    #5
  6. Got it going John, and I really appreciate your getting me thinking. (no small feat!) It turns out it was the driver for the network adapter after all, and a visit to the Realtek website fixed me up. Thanks!
     
    YourPalMark, Apr 5, 2018
    #6
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Windows Doesn't Recognize Ethernet

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