What should I do if the Win7 system becomes a multi-network after connecting to the network?

Recently, users have encountered the problem of being unable to connect when connecting to the LAN under the win7 64-bit Ultimate operating system. View the related information through the control panel "Network and Sharing Center" When I found out that the basic network connection became "multiple networks", it could not be connected. The main problem was that the user installed third-party software and the system settings were modified. Let's take a look at the specific solution.
1. On the Win7 system taskbar, click on the “Network and Sharing Center” item, then find the Network and Internet Panel, and click the “Change Adapter Settings” option.
2, this time will pop up "Network Connections" window, find "local connection" and right click, select the "properties" button. Under the Network tab, use the following option to use the following option. Leave the small tick in front of it, leaving only the “QOS Packet Scheduler” option, and then click the OK button.
3, and then re-connected "broadband connection", the multiple networks on the Win7 system disappeared, you can rest assured that the Internet.
After connecting to the network under w7 system, it becomes a multi-network and can't connect to the network. You can modify the "local connection" according to the tutorial. Then the multiple network problems encountered can be easily solved. Is it very simple? ?