Lost Ethernet Connection after Windows Update


  1. rafg431
    Posts : 11
    Windows 10
       New #1

    Lost Ethernet Connection after Windows Update


    Windows update yesterday. Immediately after I noticed my network connection had switched to Wireless icon. When I checked Device Manager, my ethernet adaptor was missing (Realtex PCIe GBE Family Controller) Eventually discovered it in "Show hidden devices". In Properties under General it says "Currently this hardware device is not connected to the computer (Code 45). To fix this problem reconnect this hardware device to the computer". How do i do this? After a major amount of Googling it appears that this is a fairly common problem with Window 10 updates - people suggest that the BIOS has been changed. I am in completely new territory here - I don't even know how to access my BIOS, let alone "change" it.

    I would be very grateful for any help at all!
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  3. dalchina
    Posts : 44,078
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #2

    I would suggest trying sthg simple... in Control Panel, Device Manager simply right click the driver, uninstall, restart.

    Hopefully Windows will detect it and reinstall the driver.

    There is still the possibility of a simple physical connection problem, so as yours is a desktop, that would be the next thing to check.
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  4. rafg431
    Posts : 11
    Windows 10
    Thread Starter
       New #3

    Many, many thanks dalchina. I did what you asked and it worked perfectly - I am so grateful for your expert help!! I spent four hours on this problem this morning and got nowhere till you answered my plea! Owe you one.
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  6. dalchina
    Posts : 44,078
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #4

    Great- sometimes it's straightforward... not always. Just click the thumbs up and mark solved- thanks!
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