WinXP broadband connection prompt error code 678 how to do?

When the WinXP system is connected to the network, the error code 678 appears, that is, the remote computer does not respond. You can try to restart the cat and the computer first. This article introduces the steps of ADSL mode and LAN mode access. The following small series will give you a detailed introduction. Under WinXP there is a solution for broadband connection error 678.

fault tips:

Error 678 remote computer did not respond.

(ADSL mode) Fault reason:

The physical link is unreachable, which means that the connection line from the equipment room to the client is unreachable or the network equipment is faulty (such as D

SLAM, Modem, NIC, etc.; Modem parameter setting is incorrect, such as VPI/VCI setting and setting

are different; customers use routers, etc.

(LAN mode) Fault reason:

The physical link is unreachable (such as switch failure, power failure, switch to client network cable, port, network

card failure, etc.) The customer uses a router or the like.

[Workaround]

ADSL Mode Access:

1 MODEM signal light is always on (refer to the external line signal light, ADSL MODEM brand is different, the name of the signal light is different, common signal light

Yes: CD, DSL, ADSL, LINK, LINE, etc.)

a. If you use a router switch, it is recommended to remove the network cable to connect to a computer, use a broadband connection to check whether the account can Log in.

b. Check if the local connection is normal. (The red cross is displayed on the local connection, the MODEM is faulty, the network cable is poorly connected or not connected, and the network is

card fault)

c. Unplug the network cable and restart the MODEM device.

2 MODEM signal light flashes or does not light (refers to the external line signal light, ADSL MODEM brand is different, the name of the signal light is different, common

signal light: CD, DSL, ADSL, LINK, LINE, etc.)

a. Restart the ADSL MODEM device and plug in the cable connected to the MODEM device.

b. Check if the voice separator is connected correctly and re-plug the cable (voice separator connection: the main line is connected to LINE, the telephone and extension are connected to PHONE, and the MODEM device is connected to the MODEM port).

c. The phone line may be used without voice separator MODEM device directly, or to check whether the normal use of direct telephone.

LAN mode access:

1 If you are using a router or switch, it is recommended to disconnect the network cable to connect a computer, broadband connection to check whether the account can be registered

.

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

3 Change the NIC duplex mode as follows:

Step 1. Open the “Network Connections” window, find “Local Connections”, right click ““Local Connection” ”, left click <;properties”
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