How to solve the yellow exclamation point in the win7 system?

The colleague's computer has a yellow exclamation mark. I can't solve it myself, so I asked for help. I tried to solve it many times, and then I will share it with you.

Steps

1. It is normal for the WIN7 computer to have a yellow exclamation mark on the bottom right side of the computer, but sometimes it is not so easy to solve it.

2, the computer has a problem, re-plug the network cable, draw a network cable, and then restart the computer, restart can often treat 90% of the "ill";

3, after the restart does not work, first anti-virus, let the anti-virus software diagnose the network environment, there are many anti-virus software, we all know, here is not introduced one by one.

4, if anti-virus is not enough, then use the self-test of the network sharing center that comes with WIN7, click the red cross.

5. Enable WINDOWS network diagnosis and check the connection problem in WEB.

6. After clicking the troubleshooter, you will see why you can't connect to the Internet.

7. According to the prompt, open the control panel, find the service, and open the DHCP Client.

8. If it still doesn't work, then use the last trick, try running DOS as an administrator, and run the "netsh winsock reset" command on the command line.

Notes

If it still doesn't work, then look for a good computer and try to see if the cable is broken and the crystal head is broken.

The above is the introduction of the yellow exclamation point in the win7 system, and the operation is very simple. Have you learned it? hopefully this can provide beneficial help to everyone!