How to solve the problem of Win7 system broadband router DNS being tampered with?

DNS is responsible for mapping domain names to IP addresses and is the cornerstone of the entire Internet. DNS is very important to us. If your DNS has been tampered with, then your network has no security at all. What should I do if the DNS of the Win7 system has been tampered with? How to solve such a problem?

The specific steps are as follows:

1. Manually modify the DNS address of the local computer:

The DNS is set as shown in the red box: 114.114.114.114 (alternate DNS: 114.114.115.115).

2. Use the DNS-specific repair tool.

First download Tencent Computer Manager and use the ——DNS preference in the toolbox to select DNS.

Then choose Tencent Computer Manager —— antivirus, you can check Trojans and viruses for you.

The stubborn wood mark in the toolbox can also help you deal with stubborn Trojans. (This step is optional, just in case)

3. Check if the router password is too simple.

If your router password is very simple, it may also cause malicious DNS tampering. It is recommended to use the repair tool to modify it. Check the address: http://www.114dns.com/alert.html
< There are detailed ways to modify the router password.

4, security Internet protection software, to prevent other tampering DNS Trojan virus again & ldquo; patrons & rdquo;.