What is the basic way to prompt 678 651 815 when fibre broadband is connected?

When a broadband dial-up connection occurs, error 678 is displayed, usually on the entire broadband line, and one of the lines or devices is interrupted, resulting in the entire broadband network being unavailable. The principle is that after the dial-up information of the computer is sent, the feedback information from the server is not received for a long time, and the system judges that the dial-up is interrupted. You can add [China Telecom Guizhou Customer Service] WeChat through WeChat***, enter the broadband service - broadband troubleshooting for a one-click physical examination, and we will provide the most professional treatment plan for the test results.

Fault Cause AnalysisThe detailed causes of broadband connection error 678 may be the following categories: 1) Failure to pay for broadband in time leads to arrears and shutdown. 2) The indoor network cable connector is not plugged in well or the contact is poor, resulting in poor connection, or the network cable is disconnected.

3) There is an auto-dialing using a router. 4) Modem - commonly known as "cat", or optical switch - the modem is not turned on, or the device is faulty. 5) Faulty or disconnected external ** line (or network cable, optical fiber cable), broadband operator's cable, equipment room, etc.

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We recommend that you troubleshoot the following steps:

If you have not solved the problem after excluding the above situations, you can log in to the online business hall of China Unicom, click "Broadband", "Broadband> "Broadband Service> "Broadband Fault Report" > "** Fault Report" on the home page to report the fault. The above path is subject to the actual information displayed on the query page.

One. Broadband error 651 is mainly caused by the connection between the user's terminal computer and the Netcom central office device. In general, it is divided into four situations: 1. The network cable is not connected; 2. Modem failure; 3. Network card failure; 4. The modem itself is set.

Two. The meaning of 678 is: The remote computer is not responding.

It means that the data transmission problem from the computer issuing instructions to the network card to send data outward, including the transmission of ** line, the port processing of the terminal board of the central office (telecommunications office computer room end) to the return of data to the computer will prompt error 678. To put it simply, the network is not working.

Here's how to deal with it:

Check the link indicator for mode, which is usually displayed as ADSL, DSL, or LINK

If it flashes then the line is a problem, check the line.

If it is solid, unplug the ** cable to see if the link indicator is flashing, if it is still solid, the mode is damaged. It needs to be repaired, or replaced!

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If you still have questions, please keep asking. Have a great day, thank you!

Hello: 651 may be caused by the line or modem and computer network card problems, please click the network icon in the lower right corner of the screen Open the Network and Sharing Center Change adapter settings Local connection, double-click the local connection to enable it successfully to dial the link to surf the Internet. If the local connection icon is not available, it is recommended to reinstall the NIC driver or check whether the NIC is damaged.

You can restart your computer and try again. If it still doesn't work, please check whether the modem is on normally (usually three lights need to be on), if the lights are not normal, please check whether all the wiring behind the modem are connected, and try to restart the modem and try again.

Error 651

Problem: ADSL modem reports an error.

Cause: Windows is in Safe Mode, or other error resolved: When the error occurs, redimial is performed to report a new specific error**.

Upgrade the network card driver first, but don't change the line and change the cat.

Change the duplex you want to try both 10m and 100m. In addition, reinstall the network card driver and try again, it still has no effect, and the basic hardware problem is.

If you use Unicom Kuanzai Zao Li Nian Error Message 678, it means that you cannot connect to the remote computer. The easiest solution is to check whether the network connection in the room is normal and whether the network card light is on.

If the fault is still not restored, you can report the fault according to the following prompts: