运行如下命令: netsh interface show interface 将显示类似下面的画面: Admin State State Type Interface Name ------------------------------------------------------------------------- Enabled Unreachable Dedicated Local Area Connection 2 Enabled Unreachable Dedicated Local Area Connection Enabled Unreachable Internal Internal Enabled Unreachable Loopback Loopback 运行如下命令禁用名称为"Local Area Connection"的网卡: netsh interface set interface name="Local Area Connection" admin=DISABLED 把结尾的"DISABLED"改为"ENABLED"为开启指定的网卡.