How to deal with unrecognized network in win7 system

        Xiaobian first analyzed the cause of the problem. Windows7 system will not assign an IP address to the network when there is no data communication on the network, so that it will not even connect to the router. "The router will become impossible." The identified device, along with the network connection, will appear “Unrecognized Network”, even if the computer system is restarted, the router will be treated as an unrecognized device.
Radical method:
Since the reason is that the network connection can not be obtained by a valid IP address, then we manually set a fixed IP for the local connection, the specific steps are as follows:
1, the desktop - Network - Right click - Properties
2. Click "Change Adapter Settings"
3. Local Connection - Right click - Properties
4. Double click " internet protocol version 4 Tcp/Ipv4"
5 , tick "Use the following IP address" and "Use the following DNS server address" & rdquo;
ip address: 192.168.1.# (# is any number between 2~255, it is recommended to set to 105 The above numbers prevent multiple computer IP address conflicts)
Subnet mask: 255.255.255.0
Default gateway: 192.168.1.1
Preferred DNS server: 192.168.1.1
6. Click “ ”, click on the parent window (the one of the local connection properties), "OK", set the completion
7, unplug the network cable, and "local connection" disabled (local connection - right - Properties - disabled), restart the computer, plug the Internet cable, enable the & ldquo; Local Area Connection & rdquo; (local connections - Right - Properties - enabled) can be.