Win7 system can not go online to prompt error 651 to find a modem reported a wrong reason and solution

Recently, a user said that Win7 system is always unable to access the Internet, and always prompted to find the modem, how to do this? The following small series tells you how to solve the Win7 modem error, let's take a look.

Cause analysis and solution
1, first need to check whether the power and cable of each device are plugged in;
2, remote access to the notebook file and the current "network and The dial-up connection may be inconsistent. If the communication device is changed, be sure to reconfigure <;network and dial-up connections". If the error persists, you can delete and re-create “network and dial-up connections 

3, win7 error code 651, route can, dial up can not try: open \\windows\\system32\\logfiles\\ Wmi, double-click to open wmi and then open RtBackup inside will prompt you to need administrator rights to continue to restart, you can fix;

4, if not, then delete the file with the suffix of etmi in wmi including RtBackup;
5, if the above does not work, then try it, disable the local connection - shutdown - check all the plugs of the cat unplug the re-plug - unplug the cat's power plug - wait 2 minutes after plugging in - boot; Br> 6, the last move first copy the following file c:\\windows\\system32\\drivers\ aspppoe.sys from the machine of other Internet-connected system to replace this file in your computer;
7, in the local In the connection properties, an INTERNET protocol version 4 (TCP/IPV4), use the following IP address to enter: 192.168.1.23, subnet mask: 255.255.255.0.

Related reading:
Win7 system always prompts "can not find the modem" problem solution
The above is the reason why the Win7 system can not access the Internet error 651 to find a modem reported a mistake And the introduction of the entire content of the solution, in fact, as long as the problem is solved according to the cause of the problem, it can be solved.