Win7 broadband connection local connection unrecognized solution

The local connection does not identify the specific description of the problem:
win7 system, broadband access through ADSL PPPOE, but has not been connected, in the connection process, the broadband connection in the lower right corner will turn, wait until the prompt is not connected When you put the mouse in the lower right corner, the icon will prompt "Internet access - local connection display is not recognized". The following method is just one of the solutions to this problem.
2
Right click on the small icon in the lower right corner and select Open Network and Sharing Center.
3
Select left, second "Change adapter settings"

4
Right-click local connection, select properties, remove internet protocol version 4 TCP/IPv4 in front of the hook It is.

The above is an unrecognized solution for win7 broadband connection local connection. Since Xiaobian only encountered this problem once, and the method used is also this, I don't know if there are other ways to solve this problem.