If you are you are currently using Windows 10 in legacy mode with the latest drivers and latest bios. With the latest Ethernet Drivers (from 2017). Try the following fix.
Start Button
Type Control panel and click on Control Panel
Goto Network and Sharing Center
Goto Network Connections
Right click on the Ethernet Adapter and select Properties
Click on Configure...
Click on the Advanced Tab
Find Energy Efficient Ethernet and turn it Off
AND this setting
Start Button
Type Control panel and click on Control Panel
Goto Power options
Goto Choose what the power buttons do
Find Turn on fast startup. and turn it Off
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South Hawk Computing LLC Owner
Any advice / recommendations given on this forum should ONLY be preformed at the user's own risk. South Hawk LLC does not offer any guarantees or warranties when a user attempts to try these fixes on their own. We are NOT responsible for any damages that may or may not occur to your devices.