Win7 system Internet speed is slow to open the second-level link in the website.

win7 system Internet speed is slow to open the second-level link in the website.
1, this problem is due to the DNS address in the computer network settings It is not clear how this setting has been tampered with;
Solution:
1. Open the network and sharing center;
2. Change the adapter settings;
3. Find the current use Adapter, right click on the mouse, select “properties”;
in the drop-down list, then double-click the protocol version 4;
5, in the pop-up settings, then check “ automatically get DNS server address & rdquo;. Generally use a router, this option is set to get automatically.