1. First, right click on the screen in the bottom right corner of the network icon, choose to open the network and Sharing Center, in the window, click on the left menu "Change adapter settings."
2. Then, in the window to find the local connection right click, select Properties, and then in the pop-up window, click the Install button, select the Network function type, select the protocol, then install from the disk, select C:windowsinf Find 1394.inf, and then continue to add the protocol, put 4 and 6 (TCP /IPV) can be added.
3. After the operation is complete, open the Command Prompt window of the Win7 flagship system, and then enter "netsh winsock reset" in which to click Return.
In fact, cleaning the registry of the Win7 system caused the computer to be unable to access the Internet because the registry of Winsock2 and Winsock inadvertently deleted, WinSock2 is equivalent to connect the system and the software you use to communicate between an interface, Perhaps this function is to repair the correct communication between the software and the system, these two options are essential for Win7 system networking two options.