If the child partition is stopped, the extensible switch interface first deletes the network connection and then deletes the extensible switch port. After the VM network adapter is exposed and enumerated, the extensible switch interface creates a network connection between the VM network adapter and the extensible switch port. Ports are created before a virtual network adapter connection is made, and are deleted after the network adapter connection is torn down.įor example, when a Hyper-V child partition is started, the extensible switch interface creates a port before the virtual machine (VM) network adapter is exposed within the guest operating system. The connection to these types of network adapters is made through an extensible switch port. If your network adapter shows up in the Device Manager but doesn’t show up in the Network Connections, try to uninstall and re-install it.The Hyper-V extensible switch supports connections from various types of virtual or physical network adapters. You may need to check your NIC on another computer (if possible) or check its functionality at the service center (it may be broken). Then check that your network card is physically connected to your computer/laptop and is enabled in BIOS/UEFI settings. If the list of network adapters is empty and there are no unknown devices on your computer, search for the devices in the Device Manager (Action -> Scan for hardware changes).
Thus, you can identify your NIC, download, and install its driver. For example, PCI\VEN_14E4&DEV_43A0 is Broadcom wireless network adapter. Find the VID and PID of the unknown device (Properties -> Details -> Hardware IDs). If Windows could not detect a device, you need to identify it manually. Windows should detect the device and install the appropriate drivers. Try to perform an automatic driver search. Make sure that automatic driver updates is enabled in Windows.
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