With the advent of the Internet era, computers have become a very familiar device in our daily lives and offices. Most people have encountered some problems in the process of operating and using computers. So, if they encounter broadband How to solve the problem of connection error 678? We have collected a lot of information for this, let’s take a look together!

1. Solution to broadband connection error 678

Check ADSL Modem (commonly known as: cat) is working normally

1. Most modems currently have panel indicators. You can judge the direction of the problem based on the indicators. First, confirm whether the Power indicator light on the panel is always on. Otherwise check the power supply.

2. Then check whether the ADSL broadband signal indicator light is always on (when the Modem is powered on, the indicator light It should keep flashing until it detects that the broadband signal is normal, then it will stop flashing and stay on. This process takes about 1 minute). If the indicator light still keeps flashing after the Modem is turned on for a long time, you should check it from the outside. line (from the voice splitter to the modem). This situation is mostly caused by broadband arrears. Under the premise that the payment is not in arrears, you should call the service number of the broadband provider in time (for example: dial the telecommunications customer service number 10000 ).

3. Check whether the LAN or LINK indicator light on the panel is always on. If the LAN indicator light is always on, it means that the direct link between the computer and the Modem is normal. If the indicator light is not on, you should check the connection between the Modem and the computer. link network cable.

4. The DATA indicator light on the Modem panel flashes to indicate that the computer is sending or receiving data from the terminal server. Usually when error 678 occurs, the DATA indicator light often does not light up. The reason is simple because there is no data. exchange.

Check the local computer network card settings

After checking, if the ADSL Modem status is normal, but the error code 678 still appears, you should focus on checking the local network card settings. First, turn off the power of the Modem, right-click on Network Neighborhood, right-click on the local link icon, select Disable, and then restart After the computer restarts, follow the steps above, right-click the local link icon, and select Enable.

Tips:

1. Damage to the computer hardware or poor contact of the network cable crystal head will also cause error 678. You can also try to replace the network card or crystal head with a new one. , to solve this problem.

2. If you are using a router to access the Internet, in principle, you should set the router to automatically dial (see: Router Settings), otherwise an error 678 message may appear.

2. What does broadband connection error 678 mean?

When using ADSL dial-up, the local computer passes The network card sends a request for service to the terminal server, but due to problems with the network line or computer hardware, the terminal server is unable to receive or return the request data. When the local computer cannot receive the return information, an error 678 code message will be prompted.

Netizens concluded: broadband arrears, oxidation and poor contact of the network cable crystal head, ADSL Modem damage, and network cable breakage are often the common causes of such problems!

If you encounter the above problems and still don’t know how to solve them, you may wish to refer to the steps above. It is normal for computers to have some minor glitches during use. Some minor glitches can actually be repaired by ourselves.