The computer does not connect to the Internet and shows the error 651, what is the reason that the f

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.

If the problem is still not solved, you can contact the local customer service for feedback.

Connect the main line to the WAN of the route, look at the IP behind the route, and enter the IP in the address bar into the routing interface to set the route. Change the IP of the computer to the same as the IP of the router, and you're good to go. If it doesn't work, then add a cat...

When you use the router, do you still see the error code? To refer to the configuration of the router, it is equipped and does not require you to dial the number to connect.

sys is running and waiting for flashing, which means that the route is running normally, the wan light constant does not flash, and the routing network is stuck, let's take a look from the beginning

Error: First, check whether the network card driver is installed on the computer, whether the network card is disabled, and whether the network cable is connected to the computer. Make sure that your computer is connected to the modem to dial the number, if you are connected to the router and dial the number, otherwise it will definitely be an error.

If you confirm that all of the above conditions are normal, continue to check whether the working indicator of the modem is normal

a=adsl access=: see if the (data, dsl, adsl, link) lights of the adsl cat are always on? If it flashes, you need to check whether the ** line on the cat is connected, confirm that the line is connected correctly, please report for repair.

b=Optical fiber access=: See whether the optical signal or LOS lights up red, whether the network G light flashes, if the red light or flashes is a network problem, please report for repair directly.

c=No modem is a problem caused by directly plugging in the network cable to the Internet, which is a problem with the uplink device or the network cable is directly repaired.

China Telecom dials 10000, China Unicom dials 100010, and China Mobile dials 10086

How to solve the broadband 651 error.

The hole where the cat light plugs into the network cable may be broken.

The line problem should be that the entrance line is broken.

Broadband error 651

Broadband Internet access error**Query obstacle phenomenon: network card light does not light up problem analysis:

1 The network cable is not connected.

Modem failure.

1 Reseat the two connectors of the network cable, if the network cable is damaged, it is best to replace the network cable.

2 If the NIC light does not turn on when the NIC is reseated, it may be a ,.. of modem or NIC failure

Solution: 1. Confirm whether the modem can be normal, whether the link light of the modem can always be on, if it is a LAN line, please confirm whether the network card light can be on. Otherwise, please contact the operator to come to the door to deal with the line fault.

2. Restart the computer, re-create a broadband connection, do not fill in the user name and password, directly click on the connection, can there be an error 691 prompt, if the error 691 is prompted, please enter the accurate username and password to solve the problem 3, change a computer to test the following table.

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.

Win7 error 651 is XP error 678, so the problem is nothing more than a line problem or a system problem. I'll tell you a few ways you can try, 1. Delete the broadband connection you are using and create a new one. 2. Look at the Internet indicator light on the back chassis to see if it is on, if it is on, it is a system problem, if you know that the lead fruit is not lit, it is a problem with the number of lines.

Find a broadband company to report the obstacles.