What is the reason for the LenovoG460 651 modem error while connecting wideband

651 should be a user information verification error!

If you use China Unicom Broadband error 651, it means that you cannot connect to the remote computer. The easiest solution is to check whether the network connection in the room is normal and whether the network card light is on.

If the fault is still not restored, you can report the fault according to the following prompts:

1. ADSL access: ADSL modem physical connection is not good; There is a problem with the modem parameter setting, such as the VPI VCI setting is not the same as the device; computer firewalls block the network; The ADSL port of the computer room is faulty; ADSL modem failure; The reason why the customer is using the router.

2. FTTX+LAN: The network cable connection is not good; switch failure; computer firewalls block the network; The port of the computer room is faulty; The reason why the customer is using the router.

3. FTTH: Optical fiber connection is not good; modem failure; computer firewalls block the network; The port of the computer room is faulty; The reason why the customer is using the router.

1. The modem signal light is always on (refers to the external line signal light, and the names of different ADSL modem indicators are also different, which is common.)'There are cd, dsl, adsl, link, line, etc.).

A If you are using a router switch, it is recommended to remove it, connect the network cable to a computer, and use a broadband connection to see if you can log in.

b Check whether the local connection is normal. (If a red cross appears on the local connection, it means that the modem is faulty, the network cable is bad, or the network card is faulty.)

c Unplug the network cable and restart the modem device.

2. The modem signal light flashes or does not light up.

**Poor wire contact. Check whether the voice splitter is connected correctly and replug the line (the voice splitter is connected to the main line, ** and the extension is connected to the phone, and the modem device is connected to the modem port), and then restart the ADSL modem device.

You can also put the ** line without the voice splitter directly modem equipment, or directly ** test whether it is dialed normally.

3. LAN access: The common causes are power failure of the switch and port network cable failure.

A If there is a router or switch, it is recommended to remove it and test the broadband connection.

b Unplug the network cable, disable the local connection under Enable, or restart the computer for testing.

c Change the duplex mode of the NIC

d Select 10 Mbps Full Duplex or 100 Mbps Full Duplex.

4. FTTH access:

The optical modem signal light is always on (refers to the external line signal light, different optical modem indicator lights have different names, and the common ones are PON).

A If you are using a router switch, it is recommended to remove it, connect the network cable to a computer, and use a broadband connection to see if you can log in.

b Check whether the local connection is normal. (If a red cross appears in the local connection, it means that the optical modem, network cable is faulty, or the network card is faulty.)

c Unplug the network cable and restart the modem.

5. The signal light of the optical modem flashes or does not light up.

6. Fault of the line or computer room.

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.

<> if it is error 651, because the computer resources are overused, the network adapter will be automatically disabled, and you can enable it again to access the Internet, the operation is as follows:

Start] -- Control Panel -- Hardware and Sound -- Devices and Printers (If it's Win7, users can directly enter [Modem] in [Start] -- Search for Programs or Files).

Then see the name of your computer username in the [Device] option in [Device and Printer], double-click to open it, and then select [Hardware] in the [General] and [Hardware] options to appear The [Device Function] of the machine will appear in the following menu type and click the [Network Adapter] option, and then you will see that the current device status is disabled, at this time, you only need to click [Change Settings] to enable the network adapter again. Users who need to dial up will be fine if they dial again.

This is a method I found myself.,This is also the method of the win7 system.,It's estimated that XP's is about the same.,Hehe,I'm typing it out one word at a time.,I hope it can help you.。

Error 797 occurs while connecting to broadband, it says it is related to the modem, what should I do?

Resolution; Check the power supply, connecting cables; Check the network properties, whether the protocols related to PPPoE are properly installed and properly bound; Check the properties of the dial-up connection to see if an "isdn channnel-adapter name?" is usedxx"device, which is an empty device, should select the correct PPPoE device to replace it, or establish the correct dial-up connection.

Connect to broadband every time you turn on · Pro·· Don't you feel troublesome?

Enter the router IP directly to enter the router settings. Automatic networking at start-up.

Suggestion. Thank you.

1.Check the status of the network card: right-click on my computer Properties Hardware Device Manager, find and click on whether the "network card" or "network adapter" is disabled, there is a red cross to right-click to enable, if there is a question mark or exclamation mark, if it cannot be found at all, then reinstall the network card driver.

2.There is a good chance that there is something wrong with your cat, and you can take a look at your cat's lights to see if they are working properly. Reinstall the modem driver.

If it is normal, you can check whether the ** cable and the network cable head are loose.

If everything is fine, it is recommended that you reinstall the system to troubleshoot the driver and network card faults.

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;

Fourth, if you use the router, please dismantle, a single computer dial-up test.