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如何解决Win7调制解调器错误的问题

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　　现在基本上的人都是在用Win7系统，因为Win7系统比较稳定，实用。最近，有用户安装完Win7系统后发现无法上网，且总是提示找不到调制解调器，即使重装Win7系统也不行，出现这种情况怎么办呢？下面就和大家说一下如何解决Win7调制解调器错误的问题。

　　具体步骤如下：

　　1、首先需要查看一下各个设备的电源和连接线都有没有插好。

　　2、远程访问记事簿文件和当前的“网络和拨号连接”配置可能不一致如果更改了通讯设备，确保重新配置“网络和拨号连接”。如果错误仍然存在，可以删除并重新创建“网络和拨号连接”。

　　3、Win7错误代码651，路由能上，拨号上不了试一下：打开 \windows\system32\logfiles\wmi，双击打开wmi再打开里面的RtBackup 会提示你需要管理员权限 继续 重启，即可修复。

　　4、不行的话把wmi里的后缀为etl的文件删除包括RtBackup里的 重启。

　　5、如果上面的都不管用的话那尝试一下，禁用本地连接-关机-检查猫的所有插头拔下重插-拔下猫的电源插头-等待2分钟 之后插上插头-开机。

　　6、最后一招先从别的能上网的系统的机子里复制下面这个文件 c：\windows\system32\drivers\raspppoe.sys 来替换你电脑里的这个文件。

　　7、在本地连接属性里的一个INTERNET协议版本4（TCP/IPV4），使用下面的IP地址里面输入：192.168.1.23，子网掩码：255.255.255.0（网通移动不知道）。

　　以上就是关于如何解决Win7调制解调器错误问题的详细步骤，大家可以按照上面的方法步骤进行操作。希望在这里能够帮到更多有需要的人。

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