Broadband connection dial up device 678 5

1.or the password is wrong (which generally doesn't).

2.Call ** to Telecom, they will test your modem data (you have to turn on the computer), if it can't be measured, it proves that there is a problem with the line or the modem is broken, you can call the telecom to repair the line or go to the telecom to replace the modem.

3.Create a network connection 2 in the online neighborhood, and try to see if the network connection 3 can be connected.

4.If the network card is damaged, try it with a network card that is sure it is okay.

5.If the port is damaged, call Telecom to replace the port and try.

6.If none of the previous ones are true, then there should be a problem with the computer, and you can borrow a laptop to try. Personally, I think it is possible to reinstall the system or overhaul the motherboard.

The indicator light of the cat that can access the Internet normally is flashing and flashing, if it can't be used, it may be that your **line is only in and out, **line has 4 cores 2 in and 2 out, if you don't know to find someone professional in telecommunications to help you get a device, what is it called, I forgot, very small, thumb size. Broadband connection is not on,The network card has to be set correctly,If it is directly linked to the computer from the cat,The IP address should be a fixed IP in the stupid region set by yourself,If you don't understand, ask the people of telecommunications,

It's the problem of the line, error 678 is the fault of the line, just find the network operator to solve it, and there is no problem with you.

It's a soft fault.,It's good and bad network blockage.,Hit ** to flash the port for you and it's OK.。

<>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.

If you use China Unicom Broadband error message 678, it means that you cannot connect to the remote computer. It is recommended 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:

What is the broadband connection error 678.

1. The error **678 displayed when logging in is usually caused by a line problem, and you can try to recover it as follows:

2. Restart the modem and plug the optical fiber connector back in before surfing the Internet macro seepage file test;

3. Judge the status of the optical modem, such as whether the WAN indicator is solid or flashing when the port is connected to the modem normally;

4. Remove the router caller, create a broadband connection, and reconfigure the router;

5. If the above methods still cannot solve the problem, you can call the local 10086 to report the broadband fault.

You first restart in Clear Junk Files to try.

Look at the back of the head, the network card display light is not on. I have a problem +++ me.

The display of light drops and two bright lights indicate that it is not the telecommunications bureau that your computer is compressed. Can't tell+++ me.