How to solve the Win7 modem error

Now basically people are using Win7 system, because Win7 system is relatively stable and practical. Recently, after installing the Win7 system, users found that they can't access the Internet, and they always prompt that they can't find the modem. Even if the Win7 system is reinstalled, what should I do? How to solve the problem of Win7 modem? problem.

The specific steps are as follows:

1. First, you need to check whether the power and connection cables of each device are plugged in.

2, remote access to the Notepad file and the current "network and dial-up connection" configuration may be inconsistent If you change the communication device, make sure to reconfigure & ldquo; network and dial-up connection. If the error persists, you can delete and recreate <quo;network and dial-up connections”.

3, Win7 error code 651, routing can, dial up can not try: open windowssystem32logfileswmi, double-click to open wmi and then open inside RtBackup will prompt you need administrator privileges to continue to restart, you can fix.

4, if not, then delete the file in the wmi suffix to etl including the restart in RtBackup.

5, if the above does not work, then try, 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 up.

6, the last move to copy the following file c:windowssystem32driversraspppoe.sys from the machine of other systems that can access the Internet to replace this file in your computer.

7, in the local connection properties of an INTERNET protocol version 4 (TCP /IPV4), use the following IP address to enter: 192.168.1.23, subnet mask: 255.255.255.0 (Netcom mobile does not know ).