Win7 system network connection error 676 What is the reason

  

The solution steps are as follows:
1, the network cable at both ends is swapped and re-plugged several times;
2, the last six digits of the MAC address are changed Hexadecimal number;
3, re-install the network card driver, re-install the computer system;
4, try to replace the MODEM device or replace the network card;
5, device port failure, you can call 9600169 broadband expert hotline;
6, for ADSL broadband users, we just try to restart the MODEM device, restart the computer;
7, re-create a new broadband connection.

Copyright © Windows knowledge All Rights Reserved