Por favor, tente os passos do golpe e verifique os resultados,
Navigate to Device Manager - Network Adaptors - right click your network adapter - Click Properties and then, under Device status, check to see that the device is working properly.
On your network Adapter - Disable it and enable it again
Power off the modem and power it on after few minutes.
If possible try a different LAN cable and check the status
Run the automated troubleshooter, it is a windows tool that can find and automatically fix some problems with your computer. To start this, Right-click the Picture of the wired network icon in the notification area of your taskbar, and then click Troubleshoot problems.