How to fix a computer DNS resolution error?

first, set up computer DNS

When the computer encountered a DNS failure, we can try to manually set other DNS resolution services, there are many public DNS, including Aliyun DNS, Baidu DNS, Google global DNS, and so on, it is recommended that you use Baidu or Aliyun public DNS.

--Aliyun Public DNS address (2): 223.5.5.5 and 223.6.6.6

--Baidu Public DNS address (1): 180.76.76.76

--Google DNS address (2): 8.8.8.8 and 8.8.4.4

The computer set up DNS method is very simple, before has already shared many related tutorials for everybody, the concrete method is:

On the computer desktop in the lower right corner of the network icon on the right mouse button, then click Open "Network and Sharing Center"--then click "Change Adapter Settings" On the left, next to the current network connection name, right-click, select "Properties", and finally in the Network Connection Properties window, choose Internet Protocol version 4 (Tcp/ipv4)/properties, you can then set up DNS, as shown in the following illustration.

Above, we will set up the computer DNS to Aliyun public DNS, this DNS is also global, the domestic user priority recommended, with high-speed Internet, anti-phishing sites and other functions.

　Second, refreshing the DNS cache

After setting up the computer DNS, the computer may still not be able to access the Internet, this is mainly because the computer has local DNS cache, to refresh the DNS cache, will fix the previous DNS failure, refresh the DNS cache method as follows.

1, use Windows + R combination shortcut key, open the Run dialog box, and then type "cmd" command, then click "OK" below, as shown in the following figure.

2, in the next open cmd Command box, enter the Run command: "Ipconfig/flushdns" (input completed, press ENTER to run) can refresh the local DNS cache, as shown in the following figure.

See the above steps you can solve the problem of DNS errors can not be online!