What to do if a Win7 local connection is restricted or connectionless

　　Win7 Why local connections are restricted or not connected and how to resolve them

1, right click on the desktop "computer"--management--Device Manager--network adapter, to see if the NIC in your network adapter has a device that does not have a driver installed properly, if a device displays a yellow exclamation mark, a question number, or a red fork, it may be possible to reinstall the driver for the NIC. Find your own corresponding network card driver, download the installation and restart the computer can be;

2, if the network card driver is confirmed to be normal, and the local connection is restricted, do the following:

Right-click on the desktop "Network Neighborhood"--Properties--right local connection-fixed (or disabled to enable again), try to let the system to automatically troubleshoot network errors automatically repair;

3, if found in the 1 and 2 of the put can not solve the problem, you may try to manually assign the computer IP address to solve this problem;

Because some routers may not have the DHCP service turned on, you cannot assign a separate IP address to each computer connected to the router, and without an IP address, of course, you will not be able to access the network (when the IP address is automatically acquired, you will also need to allocate IP), you can do the following:

Right-click "Local Area Connection"--pop-up window Select "Properties"--Double click Internet Protocol (TCP/IP), check the Internet Protocol properties on the pop-up page of the use of the following IP address, manually fill IP, this IP address and according to the router in the LAN IP address to fill in, This can be obtained from the network management, of course, if you set up the router, you can view the router instructions, the general home router IP address for 192.168.0.1 or 192.168.1.1. The IP address of the router is filled in the default gateway, IP address can be the router IP address of the last number of 2~254 between the random fill, subnet mask can fill in 255.255.255.0. The final note is to fill out the DNS server resolution address, which can be viewed under the local telecommunications provider's DNS server address.