Small knitting to teach you to solve the problem of Win7 system connecting to the Internet prompt null error

When using Acer's laptop system, there are times when connecting to a wireless network connection that cannot be shared, encountering a network connection error, and an error (NULL) message when Internet Connection Sharing is enabled. What are we going to do at this time? Now small to teach you how to deal with this problem.

1, first of all, we put the network firewall and software such as kill soft off.

2, then we use the mouse click "Start-Search", enter the "service", access to the computer's service options.

3, in the Open service window, we can find and right-click the Windows Firewall option, and select Properties.

4, in the Property window, you click the "Start" option, followed by the start set to start automatically.

5, finally we use the mouse click "OK" to save, this time you share your wireless network, generally will not have a problem.