Shenyang Broadband for everyone describes how a simple treatment router failure, how to determine the fault source is typically a router or broadband home phone or computer can not access, and will consider the question of the router, the router is an issue if you are unsure, you can use the process of elimination first rule out whether the problem is a broadband service provider, you can first router wan port interface cable plugged directly into the computer dial-up connection on the Great Wall of broadband speed, if not connected, which means that the problem lies in the broadband service provider, call the appropriate broadband customer service phone repair service provider can, if you can connect the Great Wall Broadband tariff, it means that the problem is out of the first router to the computer this small LAN. After determining the problem between this router to the terminal, it can be further processed. NIC failure of broadband signal is stable under normal circumstances, after the computer via the network cable and network card connected to the Great Wall Broadband ADSLModem 20m, it's lights should be flashing or constant light. If the card lights appear unstable state, that does not light or does not blink, then the card is likely to be connected with the network cable is faulty. In addition, the need to check whether the card is loose, install the NIC driver is correct, whether the NIC resource conflict, Keystone Jacks is loose. If you still can not return to normal, indicating that the failure is not caused by the network card or network cable. Great Wall Broadband customer service, abundance and Information Technology Center (certified), Great Wall Broadband provided by the Shenyang City HSBC and IT center. Shenyang abundance and Information Technology Center (www.4000010001.com) (www.tz1288.com) Liaoning Shenyang, e-commerce leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. IT center in abundance and leadership with the staff warmly welcome all inquiries negotiations to create abundance and IT center a better future.