Why does broadband keep getting error 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.

Error 678 is The remote computer is not responding.

The process is as follows:

Step 1: Check whether the modem signal is normal, and restart the modem if it is not. If it is normal, see step 2.

Step 2: Ask the user if they have a firewall or 360 software, and if so, suggest that the user log out.

1) Turn off the firewall and test after 360: if the fault is solved, the cause of the fault is "user software problem";

2) If the fault still exists, enter the next step to continue processing;

Step 3: Instruct the user to check the NIC status and unplug the network cable

1) If the fault is solved, fill in: the cause of the fault is "PC hardware problem";

2) If the fault still exists, enter the next step to continue processing;

Step 4: In the case of conditions (the user has dial-up software, installation CD (win98 should have a network card drive disk), it is recommended that the user delete the dial-up software and network card driver, and then reinstall the network card driver and install the dial-up software

1) If the fault is solved, fill in: the fault symptom is "dial-up connection timeout", and the fault cause is "PC hardware problem";

2) If the fault persists, go to Step 7 to continue processing.

Step 5: Determine whether the ** line behind the modem is available and whether the splitter is connected correctly

If the modem can not be used, and the other ** of the billing number can be used, it is recommended to replace the ** line, and the cause of the fault is "the user's indoor line failure";

Step 6: If the above processing is invalid or the user cannot do simple cooperation, please call 10000 to report the obstacle.

Call ** to the telecom ,..However, the broadband connection is not connected and the error **: 678

And the cat that adsl link's light doesn't flicker.

This fault is complex and can occur if there is a problem in any link between the user and the BRAS. If you can't get connected after a while, find a professional from your network service provider to solve the problem.

Check**line,**The ADSL light on the cat is not flashing,If the flash is**The line is not connected,Try to check the line,Replug it,Or there is a problem with Netcom,You can only call to let Netcom people come to the door。

This has also happened to my family, try a few more times, if not, ask where you buy a network card.

Wrong password. You can call ** to ask customer service.