Win7 system default gateway is not available how to solve

  

First open the Control Panel in the Start menu and click on Network and internet.

Then click on View Network Status and Tasks in the Network and Sharing Center.

Continue to click Change Adapter Settings.

Right click on the local connection and open the properties.

Select internet protocol version 4 or internet protocol version 6, open the properties (the internet protocol version 6 is selected in the picture, but in general, the internet protocol version 4 is selected)

Both the address and the dns server address are set to be automatically obtained.

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