To solve the problem of using a virtualbox virtual machine that cannot access the Internet, first ensure that your local machine is able to access the Internet normally. Before starting the Virtual Machine System, select the installed Virtual PC and click "set, switch to "network", and enable four network interfaces for the network connection Chip. select four different network adapter chips to connect to the chip. Select NAT for all and then click OK to start the virtual PC, click "device"> "network adapter" in the menu of the Start interface ", you can hook up the available ones. The system in the virtual machine does not need to be configured. If you are using a lite operating system, after you enter the system, you can [the System of the simplified version will fail to automatically obtain the NAT, and then set:] [manual ip: 10.0.2.x] x> 3 to [subnet mask: 255.255.255.0] [Gateway: 10.0.2.2] is not 10.0.2.1. Why is this? VBox sets [DNS: 10.0.2.3]