Local connection fork 651 error The network cable has just been changed, and the knot has also been

First: it's obviously a computer problem. Because as long as the network cable can be used normally on someone else's computer. Then it's a problem with the computer.

Second: If the system is reinstalled, then the driver of the network card should be no problem. You can check whether there is a problem with the driver of the network card. It can be seen in Device Manager.

Third: Since the local connection is crossed. Then it means that the network cable is not connected properly.

From the above analysis, you can find the reason from the source, the network cable is not connected well, and the network cable is good. There may be a problem with the computer's interface.

A friend of mine just bought a computer that had the same situation as you. The last check was a little problem with the broadband interface on the laptop, and one of the pins was a little crooked. You can also check it out.

In addition, you can get someone else's broadband and try it out. If you can use it on someone else's broadband. We'll look for other reasons.

Someone else's computer also uses my network cable to surf the Internet normally [The network cable is normal.

My computer can also access the Internet normally if I go to someone else's network cable. [The computer is normal] the local connection cross [means that the network cable is not connected properly].

Since it's all right, you can swap your network cable with someone else's, and you're done.

The reason is that the network cable interface of your laptop is relatively picky,].

Hello, I hope your situation can be solved for you :

First of all, take a look at it, when the computer is plugged in with the network cable on, see if the light of the network cable interface is on, and confirm whether it is a matter of the network card and the network cable and the driver.

Because you have just reinstalled the system, it is very likely that the driver has not been installed, if you have not said to the laptop customer service that you have reinstalled the system, the laptop customer service can be said to be a problem with the network cable.

So please check the NIC driver first.

It mainly depends on how you surf the Internet. If you're dialing up from a computer, then it's possible. This case is a direct connection between your computer and the cat.

If you're surfing the internet through a router, then it's not possible. This is the case of router dialing. The computer will only be disconnected, disconnected, etc.

So you need to confirm the way of surfing the Internet first.

If error **651 occurs, it is recommended that you troubleshoot the problem from the following aspects:

1. Restart the modem and plug in the optical fiber connector.

2. Judge whether the status of the modem indicator is normal, if it is abnormal (the modem lights up red, the PON light flashes, and the indicator light is abnormal), you can call the local 10086 for broadband fault reporting;

3. Remove the router and directly connect to the optical modem to dial-up to connect to the Internet, if the dial-up connection fails, you can further feedback and deal with it through the broadband fault reporting center;

4. Reconfigure the router.

Error 651: One of the phenomena of broadband Internet access error query blockage.

Report for repair, the network ** business problem.

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.