The new computer is either connected to 651 or 691 is annoying

If you get a 651 error**, it means that the connection between the computer and the broadband network cable is incorrect, or there is a problem with the cat or broadband line.

Here's how to fix it:

1. Right-click on the desktop computer - Properties, as shown in the figure below.

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

3. On the device manager page, find the "network adapter" under the general, there are generally two network cards, one wired and one wireless network card, click the wired network card right click - disable. As shown in the figure below, a prompt box appears, click OK, and then right-click to start. See if redialing is OK, and if not, look down.

4. Right-click the wired NIC and select Uninstall to uninstall the NIC driver.

5. Click the operation of the device manager menu - scan for hardware changes, the system will generally re-drive the network card with a general driver, and after the installation is completed, restart the computer.

This one is the easiest, the line problem. First check whether the network cable is plugged in tightly, if you confirm that they are indeed plugged in. Just call ** to customer service and ask if the line is being repaired.

The "Error 651" displayed on broadband Internet access is mainly caused by the failure to connect the user's terminal computer with the Netcom central office equipment, which is generally divided into five situations: "network cable failure", "modem failure", "network card failure", "modem itself setting", and "network operator problem". Here's how to deal with such cases:

1. Please replug the network cable and ** cable and restart the modem test;

2. Please disable the local connection first, and then enable the local connection;

3. Please reinstall the NIC driver;

4. If you use a router, please remove it, and dial test it on a single computer.

The "Error 651" displayed on broadband Internet access is mainly caused by the failure to connect the user's terminal computer with the Netcom central office equipment, which is generally divided into five situations: "network cable failure", "modem failure", "network card failure", "modem itself setting", and "network operator problem". Here's how to deal with such cases:

1. Please replug the network cable and ** cable and restart the modem test;

2. Please disable the local connection first, and then enable the local connection;

3. Please reinstall the NIC driver;

4. If you use a router, please remove it, and dial test it on a single computer.

Is it normal to look at your cat lights? Is the NIC interface light on? It's all right, it's just a terminal problem, and it has nothing to do with your computer.

1. First check the line problem, see if the network cable is damaged, whether it is broken, eliminate these two problems, and then plug the network cable back into it, eliminate whether the network cable interface is not in poor contact, and judge that the fault is not caused by the above reasons, please see the next step.

2. See if it is a modem failure, unplug the modem and restart it, see if the network card light is on, or if it is not on, it is very likely that the modem is broken, if you have the conditions, you can replace the modem to see if the network card is on, if you replace the network card light or not, please see the next step.

3. Call the network provider in your area, go to the human service, report the local broadband error 651, and a professional should answer it for you later. (The fault of this part is most likely due to the network line being maintained, or the external ** line is disconnected, etc.).

The "Error 651" displayed on broadband Internet access is mainly caused by the failure to connect the user's terminal computer with the Netcom central office equipment, which is generally divided into five situations: "network cable failure", "modem failure", "network card failure", "modem itself setting", and "network operator problem". Here's how to deal with such cases:

1. Please replug the network cable and ** cable and restart the modem test;

2. Please disable the local connection first, and then enable the local connection;

3. Please reinstall the NIC driver;

4. If you use a router, please remove it, and dial test it on a single computer.

Broadband Internet display "error 651" is caused by modem damage, network cable, network card contact is not good, ** line obstruction and other reasons, the treatment method is as follows:

1.If you have a router, power off and restart it first, if it still can't be used, please remove the router for the following operation detection;

2.Check if the modem signal light is OK:

1) If the hunger and dryness are normal, please try to deal with it as follows: restart the network card, unplug the network cable, and restart the modem;

2) If it is not normal, please try to deal with it as follows: unplug the ** cable, restart the modem, check whether the separator connection is correct and plug in the above cable.

If the problem cannot be solved after the above simple troubleshooting, you can contact human customer service for processing.