Win8 broadband connection prompt error 651 problem

Troubleshooting:

Error 651: The modem (or other connected device) reported an error. (Fig. 1)
Fig. 1

Phenomenon diagram in the lower right corner of the desktop when the network cable is not connected

Contents in the network

Reason for failure:

ADSL access: ADSL MODEM physical connection is not good; Modem parameter setting has problems, such as VPI/VCI setting is different from equipment; computer firewall blocks network; ADSL port in the equipment room is faulty; ADSL Modem is faulty;

FTTX+LAN: The network cable is not well connected; the switch is faulty; the computer firewall blocks the network; the computer room port is faulty; the customer uses the router.

FTTH: The fiber connection is not good; the optical cat is faulty; the computer firewall blocks the network; the computer room port is faulty; the customer uses the router.

Solution:

ADSL access:

(1) MODEM signal light is always on (refers to external line signal lights, different ADSL MODEM indicator names are also different, common There are CD, DSL, ADSL, LINK, LINE, etc.).

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

b Check if the local connection is working. (The red cross is displayed on the local connection. The MODEM is faulty, the network cable is broken, or the NIC is faulty.

c Unplug the network cable and restart the MODEM device.

(2) The MODEM signal light is blinking or not lit. Br>

Poor contact on the telephone line. Check if the voice separator is connected correctly and re-plug the line (voice separator connection: the main line is connected to LINE, the telephone and extension are connected to PHONE, the MODEM device is connected to the MODEM port), and then the ADSL MODEM device is restarted. You can also use the voice line directly to the MODEM device without a voice splitter, or directly test whether the call is made normally.

LAN access: Common causes are power failure of the switch and faulty network cable.

a There is a router or switch, it is recommended to remove, broadband connection test.

b Unplug the network cable, disable the local connection enabled, or restart the computer test.

c Change the NIC duplex mode.

Select “10 Mbps full duplex> or <quo;100 Mbps full duplex& rdquo;

FTTH access:

(1) Light cat signal light Always bright (refers to the external line signal lights, different light cat fingers The name of the lamp is different, and the common one is PON.

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

b Check whether the local connection is normal. (The red cross is displayed on the local connection. The optical cat is faulty, the network cable is faulty, or the network card is faulty.

c Unplug the network cable and restart the optical cat device.

(2) The light cat signal light is blinking or not lit.

The line or room is faulty.

If it still fails, please call the 9600169 broadband expert hotline to help solve it.