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Broadband ADSL dial-up Internet access uses PPPoE protocol connection, transmits data through ** line, uses ADSL special modem to realize data modem, the meaning of error prompt 678 is: the remote computer is not responding, which means that the instruction is sent from the computer to the network card to send data outward, including the transmission of ** line, the port of the central terminal board processes the data transmission problem in the process of returning data to the computer, and the data transmission problem will prompt 678 error, Common solutions and steps for users to encounter 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 above steps cannot be solved, check whether the NIC light is on, if the NIC light is not on, it is estimated that there is a problem with the network cable4If the NIC light is normal, step 1 and 2 cannot 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.
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The error **678 displayed when logging in to a mobile broadband user is usually caused by a line problem, and 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 10086 to report the fault;
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 10086 broadband fault reporting center;
4. Try to reconfigure the router.
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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.
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The remote computer has no effect, check whether the line of the cat is connected normally, whether the signal light on the cat is on, and consult the network supplier to determine that the line is fine. Under normal circumstances, 12 lights on the cat are always on, 3 are flashing, and 45 are always on.
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See if the link between your computer and the cat is well, let restart your cat after that, and then call telecom 10000 failure.
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Computer display"Error 678 The remote computer is not responding. "Solution:
Disable the local connection (network card), if the above is invalid, you can directly connect the ** incoming cable to the cat to try, and then turn on ADSL modem: Turn off ADSL modem. You can exit the antivirus software or temporarily turn off the firewall, confirm that the adsl modem dialing is normal, and the "cat" signal light will flash.
1. If the antivirus software or firewall causes an abnormal error "678" prompt, the hub port used to connect to the computer is damaged, and then enable the local connection (network card), if the above steps cannot be solved. If the network card light is normal 1, if you have more than two computers at home, so when dialing again, the network card can not get a new IP address will prompt 678, which can rule out the bad splitter, and then turn on the adsl modem dial, confirm whether the port on the public side is loose, if flashing, ** line into the cat's crystal head or line has a problem, there is a situation, 5 seconds later, right-click the local connection to select enable, check ** line, check adsl modem connection.
2. Cause the line to be blocked. Such as "Yahoo Assistant", reconnecting, will also cause the line to be blocked, and there will also be "678 error", mainly on the separator in restarting the "cat" and the computer still appears "error 678", there are three ports, reinstall the network card driver, use the following methods to eliminate, check the network card and network cable, 2 steps can not be solved, then uninstall the network card driver, if the connection is still flashing.
3. Restart the computer and check whether the NIC light is on.
4. Because the IP automatically obtained by the network card is not cleared, it will also cause the network to be unconnected, whether the line is normal, then replace a good port, the connection method is the bus is the incoming line connection port, each port corresponds to a line, enter the network connection of the control panel right-click the local connection and select disable, turn off the adsl modem, sometimes to consider the conflict of various application software in the process of use, the operation method is, if the network card light is not on.
5. In addition, modem or adsl is connected to the broadband modem, try to see if it can solve the problem, contact the network company, and connect the phone port.
6. Due to the poor oxidation contact of the joint, check whether the line is connected.
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After restarting the "cat" and the computer still appears "Error 678", use the following methods to eliminate it.
1. Check whether the ADSL modem connection and line are normal, whether the "cat" signal light will flash, if it flashes, check whether the line is connected, mainly on the separator, there are three ports, each port corresponds to a line, the connection method is the bus is the incoming line interface, the phone port is connected, in addition to the modem or adsl connected to the broadband cat, you can also directly connect the incoming line to the cat to try, so that you can rule out the bad separator, if the connection is still flashing, check the **line, Due to the poor oxidation contact of the joint, there is a problem with the crystal head or wire of the ** line into the cat, which will also cause the line to be blocked.
2. Confirm that 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 get a new IP address will prompt 678, the operation method is: turn off 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 ADSL modem dialing.
3. If the above is invalid, turn off ADSL MODEM, disable the local connection (NIC), restart the computer, then enable the local connection (NIC), and then turn on ADSL MODEM.
4. If the above steps cannot be solved, check whether the NIC light is on, if the NIC light is not on, check the NIC and network cable. If the NIC light is normal, step 1 and 2 cannot solve the problem, uninstall the NIC driver and reinstall the NIC driver.
5. Contact the network company to confirm whether the port on the public bureau is loose, resulting in the line not working.
6. There is another situation, if you have more than two computers at home, and the hub port used to connect to the computer is damaged, there will also be a "678 error", then you can replace a good port.
7. Sometimes it is necessary to consider the conflict of various application software in the process of use, which will also cause network failure. For example, "Yahoo Assistant", anti-virus software, or firewall have abnormal errors that cause the error "678". You can exit your antivirus software or temporarily turn off your firewall and reconnect to see if that resolves the problem.
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It may be that the telecom side has not yet opened broadband. If it has been opened and is still like this, it means that there is something wrong with the cat.
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Error 678: Indicates that the error is most likely due to a service binding error or the USIM card is not activating and there is nothing wrong with the hardware itself.
Display the words " and so on.
1. It does not cover its network;
2. The UIM SIM card you are using is not activated.
Displays" and other words1, "692" - hardware is damaged or the driver is not installed properly2, "680" - the driver is not installed properly or the dialer is damaged3, "633" - the port conflicts with other devices.
4. "734" - SIM UIM is limited by this network.
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Your wireless network card is probably in arrears, go check it.
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Error 678 is a fault prompt often encountered by broadband ADSL dial-up Internet users, which simply means that the network is not available. Broadband ADSL dial-up Internet access uses PPPoE protocol connection, transmits data through ** line, uses ADSL special modem to realize data modulation and demodulation, the meaning of error prompt 678 is that the remote computer is not responding, which means that the instruction is sent from the computer to the network card to send data outward, including the transmission of ** line, and the port of the terminal board of the local office (telecommunications office computer room end) handles the data transmission problem in the process of returning data to the computer.
1. First confirm that the adsl modem dialing is normal, because the IP automatically obtained by the network card is not cleared, so the network card cannot get the new IP address when dialing again, the operation method is: turn off the adsl modem, enter the network connection of the control panel and right-click the local connection to select disable, right-click the local connection to select enable after 5 seconds, and then turn on the adsl modem dial-up;
2. If the first step is invalid, then in the case of turning off ADSL MODEM, still disable the local connection (network card), restart the computer, and then enable the local connection (NIC) and then turn on ADSL MODEM to solve the problem;
3. If the above steps cannot be solved, check whether the NIC light is on, if the NIC light is not on, refer to the dispatch knowledge base: "The NIC light is not lit or often does not light up" solution.
4. If the network card light is normal 1, 2 steps can not be solved, then lead the user to uninstall the network card driver, reinstall the network card driver, if the user XP system is in accordance with: knowledge number: 9973, how to set up ADSL dial-up connection under winxp method to lead 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 is invalid, contact the telecommunications department to confirm the port.
Failure of the modem is the main cause.
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678 is not responding with the remote computer, indicating that the 3G card is broken, or you are in an area with no network signal, or reinstall the 3G network card installer, which is enough to solve.
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Are you an unlimited data card? If yes, that's the problem of moving, you call 10086 to find a manual, he won't help you solve it, only ask for your network card model and your network card ** number, 678 to put it bluntly, the mobile base station does not respond, this is the official explanation given to me by 10086.
If it's not unlimited traffic, see if your traffic is running out, if there is traffic, then it's the same as above, it's not your problem, it's the problem of moving.
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678 should be the maximum amount of data you use in the month, and you need to dial 10086 with the network card number and password or unlock it in the online business hall to use it.
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: >>>More
1. First confirm that the adsl modem dialing is normal, because the IP automatically obtained by the network card is not cleared, so the network card cannot get the new IP address when dialing again, the operation method is: turn off the adsl modem, enter the network connection of the control panel and right-click the local connection to select disable, right-click the local connection to select enable after 5 seconds, and then turn on the adsl modem dial-up; 2. If the first step is invalid, then in the case of turning off ADSL MODEM, still disable the local connection (network card), restart the computer, then start the local connection (NET CARD), and then turn on ADSL MODEM to solve the problem; 3. If the above steps can not be solved, check whether the network card light is on, if the network card light is not on, refer to the dispatch knowledge base: "the network card light is not lit or often does not light up" solution 4, if the network card light is normal 1, 2 steps can not be solved, then lead the user to uninstall the network card driver, reinstall the network card driver, if the user XP system according to: >>>More
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