Win7 system network connection error 676 What is the reason

  

The solution steps are as follows:
1, the network cable at both ends is re-interleaved several times;
2, change the last six bits of the MAC address is arbitrary 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.

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