I can t connect when I have a broadband connection, how to solve the error number 678?

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.Error 678: If the remote computer does not respond, it is generally possible that there is a problem with the computer system, a problem with the broadband modem or line, which causes the broadband modem to fail to synchronize, or a problem with the equipment in the operator's computer room 2

Check whether the status 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 shining, the biggest possibility is that there is a problem with your **line, directly call the operator's customer service** to report the obstacle and let people check and repair: Telecom 10000 Netcom 10060

The error **678 displayed when logging in is usually caused by line problems, it is recommended that troubleshooting can be carried out 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.

Error 678 is the wrong password, please go to the relevant business hall to check the password, or China Telecom 10000, Netcom 10010

The cat and the computer are turned off, the power cord, the connection line are all unplugged, wait for half an hour, reconnect, if not, see if the DSL light on the cat is not lit or has been flashing, if it is, the signal is unstable, call customer service, telecom 10000 Unicom 10010 mobile 10086 (Tietong).

Turn off the cat for a while and then turn it on. It still doesn't work to call customer service, maybe the remote computer is not responding, and there is a problem with the line.

Find customer service to fix the external wiring problem.

There may also be arrears.

After my computer is turned on, the broadband connection can not connect to the cat is normal, that is, the other one pressed the router, not through the router local connection can not be connected, broadband can not be connected, what is a good solution.

Did you change to a new computer or a new hardware device dial-up? There is also a wrong account or password!