How to Connect Lenovo Yoga to Ethernet

Hello Alex,

We regret for the inconvenience. Let me assist you to resolve the issue.

To be able to assist you better, let us know a few more details on the below questions.

• Did you check if you have any wireless (wifi/Bluetooth) connection port open or trying to connect when Ethernet port is communicating?
• Do you have any security software installed on the computer?
• What exactly happens when you try to connect to the internet?
• Which Troubleshooter did you run which notified 'protocol is missing'?
• Did you verify whether the relevant drivers are the most up to date ones available on manufacturer's website?

Now, as an initial recommendation, I suggest you to check for the latest updates in Windows 10 which helps the PC to make optimal use of Windows 10 capabilities as well as fixing any missing links in performance of the operating system.

To check for updates now, go to Settings > Update & security > Windows Update, and select Check for updates. If Windows Update says that your PC is up to date, you have all the updates that are currently available.

Next, follow these steps to run the Windows in built troubleshooter:

a)      Write Troubleshooting in the search box and hit enter.

b)      Click on Troubleshooting tab.

c)      Click on view all option on the upper left corner.

d)      Select theInternet connectionoption from the list.

e)      Click Next to run the Troubleshooter

If it still does not help, I suggest you to refer to the troubleshooting steps outlined in the below Microsoft Help link and check if it helps.

Fix network connection issues

Note: Make sure to use the networking commands as it will definitely help to diagnose and fix common connection problems.

Write to us with the with the updated status and the required information related to Ethernet connections for us to be bale to assist you further.

Thank You.

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Yes I tried turning off the wifi. My security is Kaspersky and I've tried turning that off along with Windows Defender with no luck. When I plug in the ethernet it just shows the little yellow "!" and says "Unidentified network, no internet."

I ran the network diagnostics troubleshooter - I hit change adapter options>diagnose. It runs the troubleshooter, tells me "One or more network protocols are missing on this computer," asks me to try repairs as admin, repeats the message. Detection details says "Windows sockets registry entries required for network connectivity are missing."

Yes, I went to the realtek website and downloaded the latest driver (2016), still no change. I've also tried uninstalling and reinstalling it and rolling it back.

I went to the link, ran the command prompt but I there's no default gateway listed so I'm not sure where to go from there.

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Hello Alex,

We appreciate the time and effort you have put in to resolve the issue.

At this point, if you have the Windows 7 or 8/8.1 drivers for the device, you may check if installing the drivers for the ethernet adapters in compatibility mode helps to resolve the issue.

Follow the steps to install the drivers in compatibility mode.

1. Go to the location where you had saved your downloaded setup files of the drivers and right click, then select Properties.
2. Select Compatibility Tab.
3. Place a check mark next to Run this program in Compatibility mode and select the Windows 7/8/8.1 operating system

    accordingly from the drop down list.
4. Let the driver to install and then check the functionality.

Hope the above information holds good to fix the issue this time. If you need further assistance, feel free to write to us again.

Thank you.

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Thank you. Apparently the Realtek driver for Windows 10 (version 10.8.311.2016) doesn't work for any system. I uninstalled and deleted the files, then allowed Windows to scan for hardware changes and install a different driver. Now it's back to version 10.1.505.2015, but most forums say that version 9.1.401.2015 is the only one that works. I'm currently trying to go back to that, although I can't find the setup files and don't have the option to rollback the driver.

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This issue has not been resolved.

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Hi Alex,

I realize the inconvenience you are experiencing with Windows 10. I will certainly help you.

This issue might occur if there is change in Windows socketsand network settings.

I suggest you to reset the TCP/IP stack and reset Windows sockets by following the steps below and check if it helps.
1. Press Windows + X key on the keyboard.
2. Click onCommand Prompt (Admin).
3. At the command prompt window, type the following commands:
netsh winsock reset catalog
netsh int ipv4 reset reset.log
netsh int ipv6 reset reset.log
4. Restart the computer.

Please get back to us with an update on issue with using network, we will be happy to help.

Thank you.

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How to Connect Lenovo Yoga to Ethernet

Source: https://answers.microsoft.com/en-us/windows/forum/all/issues-with-connecting-to-ethernet-network/ea41915f-7d07-4f68-8f55-d284420e07f9

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