registry

Try these steps to use both WiFi and Ethernet as same time: Open Registry Editor. Go to HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WcmSvc\Local. Create/change the fMinimizeConnections registry DWORD to 0. Close Registry Editor and reboot. The above is referenced from https://docs.microsoft.com/en-us/windows-hardware/drivers/mobilebroadband/understanding-and-configuring-windows-connection-manager.