How to solve the error code 678 if the broadband connection is not available

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.

1. Open the Network and Sharing Center.

2. Click Local Connection.

3. Click on the details, mainly remember the few marked in red below (it is best to save the screenshot to the local computer).

<>4. Click Properties.

5. Double-click IPv4

<>7. Click OK, and that's it.

Common broadband connections do not generally prompt 3 types of errors**.

1. Error 691 means that the username and password are wrong, or your broadband is out of arrears, or your gateway has paired your VLAN port incorrectly.

2. Error 769 means that your network card is caused by an error, most of the common 769 faults are caused by the network card being disabled, and some are caused by problems with the network card program or network card hardware.

3. Error 678 is changed to ** which means that it cannot connect to the local gateway, that is, the remote computer is unresponsive. There are many reasons for error 678**, the most common is due to a line interruption, that is, the line from the local operator's broadband computer room to your home is not working, and the second is that your Internet access equipment (ADSL) is not turned off for a long time or your Internet equipment is damaged.

In case of a gross error 678, basically the user cannot deal with it by himself at home, and should immediately notify the local operator to send maintenance personnel to find the cause and repair.

Hope it helps.

The modem is turned off, the local connection is disabled, dial it again after a period of time or restart the machine, contact the broadband company, the network environment is unstable; Is the NIC light on? Don't be a fault with the machine (generally not a big problem).

Restart and dial again and contact the broadband company.

If the username or password is incorrect, contact the telecommunications company and check it.

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.Error 678: If the remote computer does not respond, it may be that there is a problem with the computer system, a problem with the broadband modem or line, or a problem with the operator's equipment room.

2.Check the shed beam to see if the state of the broadband cat is normal, there is a DSL or whether the link light is always on, the DSL or link light on the broadband cat indicates the communication status between your broadband cat and the operator's equipment room, it should be always on at normal times, if it is not bright or shiny, the biggest possibility is that there is a problem with your ** noisy line, it is recommended that you directly call the operator's customer service ** to report the obstacle for people to check and repair, generally in one to two working days to deal with the hole.

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