First, the most likely because you owe money, the communication company in the background to turn off your network, you did not pay to refresh in time. It is recommended that you call the communication company, ask them to refresh the background, and then turn off the power to try
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Second, if it is the problem of the router, if the original can be used, temporarily can not be used, you can disconnect the power of the router and plug it in, you can also restore the factory
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Third, if it has not been solved, consider the system problem, it is recommended to restore the system or reinstall the system.
Because of the arrearage, has been shut down state, renewal after the opening to have a time process, not the renewal of the opening.
As long as the router is turned on, there is a wireless signal, and your original wireless device can be connected, but your broadband has not been opened, so the router is not connected to the Internet.
This question can consult the corresponding broadband operator, when to open.