Practical rescue methods for campus network disconnection

It is normal for the campus network to be disconnected, but the reasons are not exactly the same, so the solutions are also very diverse. If you want to use the Ruijie authentication client, the general idea is as follows: whether Ruijie has been authenticated > whether the broadband is connected

Is Ruijie certified?

If 锐捷no authentication succeeds

1. First check whether the network cable is plugged in properly;

2. Check IPv4whether the address settings are wrong. If the complete IPv4 information is not filled in, the Ruijie authentication cannot be completed:

use the following path

控制面板\网络和 Internet\网络连接

right click 本地连接or以太网

> 属性 > IPv4 > 属性

Fill IP地址in and DNS服务器wait information manually.
Click
确认.
Ruijie certification is started again, and the certification is basically successful.

Whether the broadband connection is successful

1. The connection fails, prompting "error code xxx"

At this time, you can go to Baidu to find the solution according to the corresponding three-digit 错误代码number. The solution in most cases is to create a new one 宽带连接:

use the following path

控制面板\网络和 Internet\网络和共享中心

Click 设置新的连接或网络, click 连接到Internet, fill in the account number and password and it's ok.

In other cases, Baidu is on its own.

2. The broadband connection is successful, but still cannot access the Internet

If you have an installation 360安全卫士, this is much more convenient. There is a 人工服务scenario in it that chooses "can access QQ, but cannot access the Internet". This is the case. Click to repair it.

 

 

What if you still can't get online?

Find a professional to fix it! Or, reinstall the system! Almost all problems can be solved by reinstalling the system.

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