Connecting to Error 678, can t anyone do it?

The prompt of the error "678" for Internet users is generally that the network is not available, but some of the network conditions are normal after being detected by telecommunications, and the error "678" prompt also appears, which is annoying. In fact, the conflict of various application software in the process of use will also cause the network to be unconnected, and the error "678" prompt appears. During routine maintenance, telecom maintenance personnel have found that "3721", anti-virus software, or firewalls have abnormal errors that cause the error "678" prompt.

So, if you find the error "678", you can try to temporarily uninstall "3721", quit the antivirus software, or temporarily turn off the firewall and reconnect to see if that solves the problem.

Common solutions and steps for encountering 678:

1.First of all, confirm that the adsl modem dialing is normal, because the IP automatically obtained by the network card is not cleared, so when dialing again, the network card cannot obtain the new IP address will prompt 678, the operation method is: turn off the adsl modem, enter the network connection of the control panel, right-click the local connection and select disable, after 5 seconds, right-click the local connection to select enable, and then turn on the adsl modem dial-up;

2.If the first step is invalid, the local connection (network card) is still disabled when the ADSL modem is disabled, restart the computer, then enable the local connection (network card), and then turn on the ADSL modem.

3.If the preceding steps do not work, check whether the NIC light is on, and if the NIC light is not on, see the Dispatch Knowledge Base: Solution for "NIC Light Does Not Light Up or Does Not Clock Il".

4.If the NIC light is normal 1, 2 steps can not be solved, then lead the user to uninstall the NIC driver, reinstall the NIC driver, if the user XP system is in accordance with: knowledge number:

9973, how to set up ADSL dial-up connection under winxp method leads the user to create a dial-up connection, if the 98 system recommends that the user install rasppoe software or ehernet300 software connection.

5.If the above operation does not work, contact the telecommunications department to confirm the port.

6. If the above operations do not solve the problem, please replace the network card.

555555555555！！！In the past few days, I have always complained about 678 on the Internet, but I didn't expect that in less than 2 hours, they came, and they did it for a long time, saying that my "cat" was broken (it had been used for 2 -3 years), saying that it took too long, and the "cat" was useless, day by day, day by day.

Error reason: The remote computer is unresponsive, which means that the computer sends instructions to the network card to send data outward, including the transmission of ** line, and the data transmission problem in the process of processing the port of the central terminal board to the return data to the computer will prompt 678 error.

Solution: 1. If the adsl modem is turned off and the local connection is still disabled, restart your computer, and then enable the local connection, and turn on the adsl modem can also solve the 678 error.

2. If the network card is not in good contact or damaged, it may also cause the 678 error, we can try to unplug and reinsert it or replace it with a new network card, which can solve the problem.

3. Computer hardware damage or poor contact of the network cable crystal head will also lead to error 678 prompt, you can also try to replace a new crystal head to solve the problem.

What is the broadband connection error 678.

1. Broadband Internet display "error 678", it is caused by modem damage, poor contact of network cable and network card, ** line obstruction, etc., if there is a router, it is recommended that you can first power off and restart, if it is still not available, it is recommended that you remove the router and check whether the modem signal light is normal:

1. If it is normal, please try to restart the network card, unplug the network cable, and restart the modem;

2. If it is not normal, please try to unplug the ** cable, restart the modem, check whether the separator is connected correctly and unplug the above cable.

2. If it cannot be solved, you can contact the local manual customer service for feedback.

Network connection error 678 is generally caused by the failure of the switch or router of the network provider and the equipment does not respond, and it should be repaired by the technician of the network department.

If the remote computer is unresponsive, contact your broadband operator.

When China Unicom Broadband is connected to the network, the error message is 678, and the Epigram Zen cannot be connected to the remote computer, and the solution is as follows:

1. Power off the computer and modem for 5 minutes, then restart the computer and modem.

2. If it still can't be solved, whether the network cable from the Zenchen modem to the network card is properly connected, and whether the optical fiber is correctly inserted into the optical modem.

3. If you restart the modem, the computer is invalid, and the lease key modem light is normal, you can uninstall the network card driver and dial-up software, and reinstall it.