My wired network connection (CAT5) disappeared?

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  1. Posts : 30,228
    Windows 11 Pro x64 Version 23H2
       #11

    My post is just above your post. Looks like a double post. Your 8 and 10.
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  2. Posts : 12
    Windows 10 Professional x64 build 1809
    Thread Starter
       #12

    Guess the coffee wasn't strong enough. At the moment, I don't even show an Ethernet connection. I show Wi-Fi and Bluetooth but no Ethernet.
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  3. Posts : 30,228
    Windows 11 Pro x64 Version 23H2
       #13

    Have you worked through tutorial and set Ethernet as priority.

    I don't think you ever said what happens when you are dock and enable Airplane mode. Are you connected?
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  4. Posts : 12
    Windows 10 Professional x64 build 1809
    Thread Starter
       #14

    If I go to airplane mode, I have no internet. For whatever reason, the ethernet option has disappeared so I can't even change its priority. I think that is what lead me to the idea of having to rebuild/repair Windows 10. Unless there is a tool I don't know about (and there probably is), going back to the original set-up scripts in the Win10 installation is the only way I know of to create a wired network connection. Please tell me there is a wizard....
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  5. Posts : 30,228
    Windows 11 Pro x64 Version 23H2
       #15

    When you dock this device, at least that is what I think you are doing, does the Ethernet adapter show in device manager.

    Have you reseated all cables on dock? Swapped lan cable?
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  6. Posts : 12
    Windows 10 Professional x64 build 1809
    Thread Starter
       #16

    Reseated but not replaced cables. Will check and post results in a while.
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  7. Posts : 30,228
    Windows 11 Pro x64 Version 23H2
       #17

    Does it show in device manager when docked?
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  8. Posts : 12
    Windows 10 Professional x64 build 1809
    Thread Starter
       #18

    Docking, if you will, boils down to connecting through the USB port which gives me a Cat5 and three more high speed, powered USB connections. There is a signal at the Cat5, at least a steady green and a flashing yellow pilots at the connection to the bar, so I assume it's there. There is no wired connection, active or inactive, showing in the device manager. It's as if that feature is not turned on.
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  9. Posts : 30,228
    Windows 11 Pro x64 Version 23H2
       #19

    Could you look under Network Adapters but first click View, in Device Manager, and show hidden devices.

    Do you have any yellow exclamation marks in Device manager?

    If you expand the USB controller section do you see something that could be a Network connection?

    Have you tried a network reset? Start > Settings > Network and Internet > scroll down right hand side to Reset Network.

    If you use Network reset and custom communication software may need to be reload / reconfigured. like a VPN.
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  10. Posts : 12
    Windows 10 Professional x64 build 1809
    Thread Starter
       #20

    Did a rebuild from a created USB drive, no luck. Did your questions after the rebuild. No yellow exclamation marks. Expanded USB, no network connection. I have previously reset the network, no help. If this were the old days, I'd pull the network card and rediscover it but this a Surface and a combo section. It's as if, it (the hardwired portion) just doesn't exist.
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