Computer broadband has often been disconnected lately, and the error message is 678?

If you can't hear the signal sound when you pick it up, this is a problem with the conveyor line (poor contact at the wiring and an oxide layer), please solve it with the telecommunications department. (This also solves the problem of network signal transmission) about the problem of error 678 problem solution: after the modem works normally (the working light should be 3 on and 1 is flashing), it is the problem of the network card, and you can use the driver wizard to install it intelligently for you.

First of all, confirm that the adslmodem dialing is normal, because the IP automatically obtained by the network card is not cleared, so when dialing again, the network card cannot obtain a new IP address will prompt 678, the operation method is: turn off adslmodem, enter the network connection of the control panel and right-click the local connection to select disable, after 5 seconds, right-click the local connection to select enable, and then turn on the adslmodem dial-up; If the first step is invalid, then the local connection (network card) is still disabled when the adslmodem is turned off, restart the computer, then enable the local connection (network card), and then open the adslmodem, for more service offers, click the "****" customer service 217 below to answer for you.

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 is a fault prompt often encountered by broadband ADSL dial-up Internet users, which simply means that the network is not available. Broadband ADSL dial-up Internet access uses PPPoE protocol connection, transmits data through ** line, uses ADSL special modem to realize data modulation and demodulation, the meaning of error prompt 678 is that the remote computer is not responding, which means that the instruction is sent from the computer to the network card to send data outward, including the transmission of ** line, and the port of the terminal board of the local office (telecommunications office computer room end) handles the data transmission problem in the process of returning data to the computer.

The error **678 displayed when logging in to a mobile broadband user is usually caused by a line problem, and it is recommended that you troubleshoot the problem from the following aspects:

1. Restart the modem and plug in the optical fiber connector.

2. Judge whether the status of the modem indicator is normal, if it is abnormal (the modem lights up red, the PON light flashes, and the indicator light is abnormal), you can call 10086 to report the fault;

3. Remove the router and directly connect to the optical modem to dial-up to connect to the Internet, if the dial-up connection fails, you can further feedback and deal with it through the 10086 broadband fault reporting center;

4. Try to reconfigure the router.

1. Error **678 means that the account and password authentication is not passed.

2. It is also possible that the remote server does not respond due to the line being blocked.

3. A certain damage to the network service in the computer system. (Software) 4. The computer network card is damaged. (Hardware).

The severity of the problem is countdown

If the network card is damaged, you have to replace it with a new network card, if the service item is missing, you can repair it with a repair tool, if the line is different, the DSL light on the ADSL cat should not flash, the account password can be changed by your operator, Netcom 10010; Telecommunications 10000

What is the broadband connection error 678.