Win7 system Internet speed is slow to open the second-level link in the website and the solution Picture tutorial

Recently, some users have reported that the win7 system Internet speed is getting slower and slower, even open the web page for a long time, may be Caused by network instability. Sometimes I can't open the second-level link of the website, and I don't know if there is a problem with the webpage or the network. Whether it is reinstalling the browser or changing the browser, I can't solve this problem. Win7 system Internet speed is slow to open the second level link in the website how to do? Let's take a look at the specific solution together with this small series.
Cause analysis:

1. This problem occurs because the DNS address in the computer network settings has been tampered with. It is not clear how this setting is tampered with;

Solution:

1. Open Network and Sharing Center;

2. Change adapter settings;

3. Find the currently used adapter, mouse Right-click and select “Properties>;

in the drop-down list, then double-click the protocol version 4;

5, in the pop-up settings In, then check "Automatically get DNS server address". Generally use a router, this option is set to get automatically.

Expand reading:

What should I do if the win7 system can't connect to the network? Win7 system can not connect to the Internet at the bottom right corner with 7 exclamation points solution tutorial

The above is the reason why win7 system Internet speed can not open the second-level link in the website and the solution graphic tutorial, DNS was Tampering may be directed to another URL, and it may cause problems with dialing. The method is very simple, so everyone first finds the cause of the failure and then solves the problem easily.