Win8 broadband connection appears 678 solution

  
In the process of surfing the Internet, we will inevitably encounter the problem of network broadband failure, just as Xiaobian encountered a broadband connection interruption in the process of surfing the Internet today, and there was a problem with error 678. Users who know the system know that when the broadband error occurs. When, there will be an error code, and what we are encountering here is the code of 678. What is the cause of the 678 for the broadband connection? How do we solve it? Let's look at the solution provided by Xiaobian!

Operation steps
Step 1: Check if the MODEM signal is normal, and restart the modem abnormally. If you see step two, see normal.
Step 2: Ask the user whether there is a firewall or 3721 Internet Assistant and other software. If yes, users are advised to quit.
(1) After the firewall and 3721 Internet Assistant test: If the fault is resolved, the cause of the fault is “User Software Problem”;
(2) If the fault persists, proceed to the next step to continue processing;
Step 3 : Instruct the user to check the status of the network card and plug in 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, proceed to the next step to continue processing ;
Step 4: When the conditions are met (the user has dial-up software, installation CD (Win98 should have a network card driver), it is recommended that the user delete the dial-up software and then install the dial-up software after re-installing the NIC driver:
( 1) If the fault is resolved, fill in: the fault phenomenon is "Dial-up connection timeout", the cause of the fault is "PC hardware problem";
(2) If the fault still exists, proceed to step 5 to continue processing;
Step 5 : Determine whether the telephone line behind the MODEM is available, and whether the splitter connection is correct:
(1) The phone cannot be used after the MODEM, and other phones with the account number can be used. It is recommended to replace the phone line. The cause of the fault is “User Indoor Line failure (2) If all the telephone numbers of the user's home bill are not available, please call customer service 10000 Telecom (10060 Netcom/10050 Railcom) to report the obstacle.
Step 6: Invalid or the user can not do simple coordination, please call customer service phone 10000 Telecom (10060 Netcom /10050 Railcom) for obstacles.
The above is the Win8 broadband connection error 678 processing steps, encountered similar problems you You can also check which part of the problem occurs. If you can't solve it yourself, please call the broadband customer service and ask the professional maintenance staff to help.

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