Win7 computer can not open the page on qq and the solution

I believe that many of my friends have encountered the problem of using qq but can't access the Internet when using win7 system. If you can use QQ, it means that my computer is not a problem with the network cable, so I don't have to call to consult with telecommunications. In fact, when encountering this problem, many friends don't know how to deal with it. Let's take a look at the solution to this problem.

The first method: 1. Open the start window of win7.

2. In the Run window, enter “cmd” to enter the command prompt.

3. In the command line, type: “ipconfig/flushdns”, this command means to clear the computer cached commands.

4. Enter Enter and confirm that if you prompt the command as shown below, it means the computer's cache has been successfully cleared.

Second method:

1. Let's talk about the first quick method. If we install 360 security guards, we can open 360 guards directly to see a break. Net first aid kit, we can directly click on the following picture

2. After clicking the following picture, we click on the comprehensive diagnosis, then it will be automatically diagnosed.

3. After the diagnosis, the option will be displayed abnormally, then we will fix it directly. Waiting for the repair to complete, you can go online. If there is no problem, the display is normal.

The third method is to manually set the IP and DNS

1. Right click on the desktop network icon properties Now change the adapter settings

2. Then find the machine Connection

3. Double-clicking on the local connection will bring up a dialog box to select properties

4. Select tcp/ip 4 protocol

5. Choose to use the following DNS server address, if we don't know it, you can call the service provider's telephone. If it is a broadband of telecommunications, we can fill 202.103.224.68 202.103.225.68 Unicom can fill 221.7.128.68 221.7.136.68 Fill it out and you're done. You can now try to open the webpage.

Note: The item is filled out in the DNS. It is the reason why the win7 computer can be compiled on the qq but can't open the webpage and the solution. I hope to help everyone, please continue to pay attention to this. .