Broadband can t be connected to the Internet, what is the reason for prompting 678?

<>1. Definition of Dialing Error:

Error 678 is one of the faults of broadband. The implication is that the remote computer is unresponsive. To put it simply, the network is not working.

Broadband dial-up Internet access uses PPPOE protocol connection, the meaning of error prompt 678 is, the remote computer is not responding, which means that the computer sends instructions to the network card to send data outward, including the transmission of network cables, and the port of the terminal board of the central office (computer room end) processes the data transmission problems in the process of returning data to the computer.

2. Common reasons:

There are many reasons for error 678, such as: equipment problems in the computer room, backbone cable problems, wiring cable problems, user network cable problems, user computer network card problems, user computer system problems, etc., which may lead to error 678. Another reason is that if you use a router, you usually don't need to use a broadband connection anymore, and if you use it again, you will get a 678 error.

3. Solution:

1. Please confirm whether you are using a router, if you are using a router, the dialing operation is completed by the router, and there is no need to manually dial the number on the computer;

2. Please confirm whether there are any software restrictions such as firewalls or other Internet assistants, and if so, it is recommended that you log out and then try to dial up;

3. Please check whether the network card light is flashing, check whether the crystal head is plugged in, and push the network cable inward for testing;

4. Please deactivate the local connection after deactivation, and then re-connect the broadband connection, the specific method: right-click the desktop network neighbor, select Properties, right-click the local connection in the new pop-up window, select Deactivate, and then right-click the local connection later, select Enable, if the dial is still prompted 678, you can call the customer service to contact the engineer to check;

Note: Try not to replug the Ethernet cable more than once, reinserting the Ethernet cable multiple times may damage the crystal head.

1. Broadband Internet display "error 678", it is caused by modem damage, poor contact of network cable and network card, ** line obstruction, etc., if there is a router, it is recommended that you can first power off and restart, if it is still not available, it is recommended that you remove the router and check whether the modem signal light is normal:

1. If it is normal, please try to restart the network card, unplug the network cable, and restart the modem;

2. If it is not normal, please try to unplug the ** cable, restart the modem, check whether the separator is connected correctly and unplug the above cable.

2. If it cannot be solved, you can contact the local manual customer service for feedback.

Error 678 The remote server does not respond, which is a common fault prompt encountered by PPPOE dial-up Internet users. To put it simply, the network is not working. The common cause of this problem is that the communication between the user modem and the ISP service provider is blocked.

Solution. 1. Turn off ADSL or MODEM, right-click the local connection to disable the network connection in the control panel, right-click the local connection to select enable after 5 seconds, and then turn on ADSL or MODEM dial-up; If it is a direct network cable to the home, the user can disable the local connection and then enable it;

2. Check whether the dialed username and password are correct, if so, delete the dialed connection, and create a new dialed connection to try.

3. Check whether the NIC light is on, whether the NIC cable is loose or intact, and check whether the NIC driver is correct. If the NIC light does not light up, replace the intact network cable, if it does not light up, it means that the NIC is broken or the driver is wrong, replace the NIC with a new one or reinstall the NIC driver.

4. Check whether the ADSL or modem power supply is passed, whether the line is connected normally, restart the ADSL or modem, and tighten the connecting wire.

5. If multiple computers use routers to access the Internet, you can try to remove the router and connect to InterNT. If you can access the Internet smoothly, it means that the router is faulty, and you should troubleshoot the router or replace it with a new one.

6. Check whether there is any arrears. If it is due to arrears, you can pay the broadband fee.

7. Call the operator to confirm whether it is the reason for the operator's line. If so, wait for the carrier to solve the problem and try again.

If the cat is normal, your computer will be fine, call free customer service consultation or complaints, I often complain, sometimes the card is dead, just a few complaints, if you are rural, it is recommended to make a complaint, we are, the host in the township often card traffic, call the city complaints**, it's good.

Are you in arrears? If you owe it, call 10,000 numbers, and your password will be changed if you are in arrears.

1. To see whether the line indicator of ADSL equipment is always on, there are three common line indicators: link, adsl, and DSL. 2 ADSL device freezes, reboot it. 3 The ADSL device is not powered on, check whether the indicator light on the device is on, if not, check the power supply of the device to make sure the power is plugged in.

Find customer service, it seems to be 10010, the problem will be solved quickly...

Call customer service. He will teach you the specific steps.

You can try to turn off the computer and the cat first, then unplug the cable on the cat, wait a few minutes and then press the cable again, and turn the computer back on!

678 just doesn't work, check the line, and then ask if there is a problem in the computer room, and finally rule out whether there is arrears. Hehe.

If you are using China Unicom Broadband error 678, indicating that you cannot connect to the remote computer, you can check whether the network connection in the room is normal and whether the network card light is on. If the fault is not restored after the check, you can report the fault according to the following prompts:

What to do if the broadband connection is error 678.