Error 678 appears when dialing up to the Internet

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.

Generally, error 678 is a fault of the cat or the line, it is recommended that you turn off the power of the cat and the computer, take a break for five minutes, and replug the network cable to restart. No. 135 customer service will answer for you, the above information is for reference only, Guangxi Telecom worry-free card, the monthly rent is only five yuan, traffic ladder billing, the more you use, the cheaper, the details can be logged in to the Guangxi Telecom online business hall to inquire and handle.

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;

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

The meaning of error prompt 678 is: the remote computer is not responding, which means that the data is sent out from the computer to the network card, including the transmission of ** line, and the data transmission is abnormal in the process of processing data from the port of the local office (telecommunications bureau computer room) to the computer, which is simply a problem with data transmission.

There are many reasons for this problem, and there are 3 common causes:

1. The ADSL modem is not connected to the power supply, which causes the computer to be unable to connect with the ADSL modem.

2. There is a problem with the network cable connecting ADSL modem and the network card, resulting in ADSL modem cannot be connected to the computer.

3. There is a problem with the ADSL modem itself, which causes it to not work properly.

Solution: 1. Check whether the ADSL signal light can be synchronized correctly and check the network card;

2. Whether the power switch of ADSL modem is turned on, and check whether the power supply of ADSL modem is normal;

3. Check whether the connection cable is normal.