What does the 651 broadband error code mean?

651 broadband error code is one of the phenomena that hinders the query of broadband Internet access error codes. Its specific manifestation is that the network card light does not light up or keeps flashing; the 651 prompt is generally due to the failure of the connection between the user's terminal computer and the China Netcom central office equipment. Caused by communication, it is generally divided into five situations: 1. Network cable failure; 2. Modem failure; 3. Network card failure; 4. Modem itself settings; 5. Network operator problems.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

What does the 651 broadband error code mean?

Error 651 is one of the phenomena that hinders the error code query of broadband Internet access. The specific manifestation is that the network card light does not light up or keeps flashing. The 651 prompt is generally caused by the disconnection between the user's terminal computer and China Netcom's central office equipment: user-side reasons (dial-up software, network card driver, USB modem driver, computer system, adsl modem itself, lines after logging in) China Netcom is responsible for ( Telephone outside line, central office equipment, equipment port), in most cases it may be due to the external network disconnection, or there is a problem with the equipment, causing the connection to be blocked.

• General reasons

Broadband error 651 is mainly due to the user's broadband account arrears, terminal computer and This is caused by the failure to connect to the Netcom central office equipment. Generally, it is divided into five situations:

1. Network cable failure;

2. Modem failure;

3. Network card failure;

4. Modem itself settings;

5. Network operator problem.

• Customer part

Generally these problems occur (dial-up software, network card driver, usb modem driver, computer system, adsl modem itself, Line after entering the house).

• Netcom is responsible for the part

Generally, this part is divided into (telephone outside lines, central office equipment, equipment ports).

Solution to Win7 Broadband Connection Error 651

Cause 1: Network card driver failure

1. First consider the network card driver problem, this problem is relatively common , right-click the desktop computer--Properties;

2. Select "Device Manager" on the computer properties page to enter;

3. Find the "Network Adapter" on the Device Manager page. Two network cards, one wired network card and one wireless network card. Right-click the wired network card - Disable, click OK in the prompt box, and then right-click to start;

4. Right-click the wired network card, select Uninstall, and uninstall the network card driver;

5. Click Device Management Operation of the server menu - Scan for hardware changes. The system will re-drive the network card with a universal driver. After the installation is completed, restart the computer.

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