The yellow exclamation point on the computer network icon does not solve the internet

The bottom right corner of my win 7 system is a yellow exclamation point, as shown in the following figure

Solutions

1. We right-click on the "yellow exclamation point" and click to open the "Network and Sharing Center" menu.

2. Okay, in the open Network and Sharing Center, we click the left "Change Configurator settings" button.

3. Click on the local connection to see if it started up, if not we enable it

4. Then right click "Local Connection" on the right and click "Properties".

5. In the Open Properties dialog box, tap the "TCP/IP" attribute.

6. Then we click the "Get IP address automatically"-OK button in the image below.

7. If your problem is not resolved, we click "Run" in the Start menu to enter "CMD" return.

8. Now we enter "Ping gateway IP address-T" router gateway mostly 192.168.1.1 or 192.168.0.1

9. You can also try "ping DNS address-T" is correct, if the DNS is incorrect, we set the DN to 114.114.114.114 in step 6th.