Here is a 3-step solution to fixing windows 10 Ethernet driver issue.
1. Try Restarting First
Before trying anything fancy, try restarting your computer first. This may be enough to get it working again.
2. Diagnose the Problem
Still not working? Use Windows Network Troubleshooter app to diagnose the problem. To launch this app click the windows start menu button > type Network Troubleshooter to search for the app > click on Network Troubleshooter. Then follow the instructions to diagnose the problem.
3. Reinstall Drivers
Okay, if that didn’t fix it then don’t worry. Open Settings > Click Network & Internet > Click Status > Click Network Reset. Finally, tap the Reset Now button. This will uninstall and reinstall all your network adapters.