Disconnect from a network in Windows 7 and Windows Server 2008 R2
Applies To: Windows Server 2008 R2
You can use this procedure to disconnect a computer that is running Windows 7 or Windows Server 2008 R2 from a wireless, VPN, or dial-up connection.
Any user account can be used to complete this procedure.
To disconnect from a wireless, VPN, or dial-up connection
Click the Network icon in the notification area. The Currently connected to dialog box opens.
In Currently connected to, click the network connection that you want to disconnect, and then click Disconnect.
You cannot use this procedure to disconnect from a wired Ethernet connection. To learn how to disconnect from a wired Ethernet connection, see Open the Network Connections folder and view available connections.
If your connection will not disconnect after using this procedure, you can open the Network Connections folder using the topic mentioned above, right-click the connection and disconnect. If for some reason none of these approaches disconnects your network, you can open Device Manager, browse the list of installed devices to locate your network adapter, and disable the device.