The exclamation mark problem of the networking icon after each launch of the win7 upgrade patch is resolved.
Yesterday, the system patched, started up the networking icon has been with an exclamation point, but also can not access the network, usually is started on the OK, look for some methods on the Internet, in accordance with the following methods to solve this problem.
Execute the netsh winsock reset command in the cmd window with system administrator privileges, and then restart, the exclamation point of the networking icon disappears and the network is connected normally. The operation is shown in the following figure:
After a few days, the problem appeared again, which could not be solved by this method, and then the network card was disabled and then enabled, and the restart was OK all the time. I don't know the principle, but the result is OK.
