"Connection without access to the Internet" windows 7 start. How to fix?

Question

WiFi

The essence of the issue is that the connection to the network through a wi-fi router.
All machines worked (work) from one router. But then one of the computers reported that it did not have access to the Internet. The rest of the computers work quietly and have access to the network (netw).
The router was rebooted, the computers were rebooted. And the computer began to connect to the netwX network with the message "without access to the Internet" The remaining two computers work correctly.
Picture for clarity.
What is the problem and what to do about it?

Answer 1

Yes, do not care about this message, cmd ping ya.ru and ping 8.8.8.8 if it answers, then there is an Internet on the PC

Answer 2

and in the router they could set up blocking the Internet for this PC.
I usually turn off my neighbor like this in the evenings - when traffic starts to clog