WIN8 Broadband connection Hint error 651 problem

Source: Internet
Author: User
Tags switches firewall

Failure prompt:

Error 651: The modem (or other connecting device) reported an error. (Figure 1)

Figure 1

The picture of the bottom right corner of the desktop when the network cable is bad

What's inside the Web

Failure Reason:

ADSL Access: ADSL Modem physical connection is not good; There are some problems in modem parameter setting, such as Vpi/vci setting and equipment, computer firewall blocking network, ADSL port Fault in machine room; ADSL modem fault; customer uses router reason.

Fttx+lan: Bad cable connection, switch failure, computer firewall block network, engine room port failure, customer use router reason.

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

Workaround:

ADSL Access:

(1) Modem signal illuminated steady (refers to the outer line signal lights, different ADSL modem led names are also different, common CD, DSL, ADSL, LINK, line, etc.).

A If the use of router switches, the proposed removal, the network cable connected to a computer, with a broadband connection to see whether the account can log in.

b See if the local connection is normal. (Local connection appears Red Fork number, for modem fault, network cable bad or network card failure.)

C Unplug the network cable, restart modem equipment.

(2) The modem signal is blinking or not lit.

Telephone line contact is bad. Check that the voice separator connection is correct and plug the line (voice separator connector: Main Line, telephone and extension to connect the modem port Phone,modem device), and then restart the ADSL modem equipment. can also be the telephone line without the voice separator direct modem equipment, or direct phone test whether normal dialing.

LAN access: A common cause for switch outages and port cable failure.

A if there is a router or switch, recommended removal, broadband connectivity test.

b Unplug the network cable, disable the Enable local Area connection, or reboot the computer test.

C Change the network card duplex mode. (Steps below)

Select "Mbps full duplex" or "Mbps full duplex"

FTTH Access:

(1) Light cat signal illuminated steady (refers to the outer line signal lights, different light cat led names are also different, common with pon).

A If the use of router switches, the proposed removal, the network cable connected to a computer, with a broadband connection to see whether the account can log in.

b See if the local connection is normal. (Local connection appears Red fork number, for the light Cat fault, network cable bad or network card failure.)

C Unplug the network cable, restart the light cat equipment.

(2) Light cat lights flashing or not light.

Wiring or engine room failure.

If it still fails, please call the 9600169 Broadband expert hotline to help resolve the problem.

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