General troubleshooting

1. Various error codes such as 691 and 678 appear when dialing. How to solve it?

◆Error 602 The port is already open Problem: Dial-up network cannot be connected due to incorrect device installation or in use Reason: RasPPPoE is not completely and correctly installed Solution: Uninstall any PPPoE software and reinstall it

◆Error 605 Cannot set port information Problem: Dial-up network cannot set the port due to equipment installation error Cause: RasPPPoE is not completely and correctly installed Solution: Uninstall any PPPoE software and reinstall it

◆Error 606 The port is not connected Problem: The dial-up network cannot connect to the required device port Reason: RasPPPoE is not completely and correctly installed, the connection line is faulty, ADSL MODEM fault Solution: Uninstall any PPPoE software cleanly, and restart Installation, check the network cable and ADSL MODEM

◆Error 608 The device does not exist Problem: The device connected to the dial-up network does not exist Cause: RasPPPoE is not completely and correctly installed Solution: Uninstall any PPPoE software and restart Installation

◆Error 609 The device type does not exist Problem: The type of the device connected to the dial-up network cannot be determined Cause: RasPPPoE is not completely and correctly installed Solution: Uninstall any PPPoE software and reinstall

p>

◆Error 611 The route is not available/612 The route is not allocated Problem: The dial-up network connection route is incorrect Cause: RasPPPoE is not completely and correctly installed, ISP server failure solution: Uninstall any PPPoE software cleanly, Reinstall, call ISP to ask

◆Error 617 The port or device is already disconnecting Problem: The device connected to the dial-up network has been disconnected Reason: RasPPPoE is not completely and correctly installed, the ISP server is faulty, the connection line , ADSL MODEM troubleshooting: uninstall any PPPoE software, reinstall it, call the ISP to inquire, check the network cable and ADSL MODEM

◆Error 619: Unable to connect to the specified server, the port used for this connection has been closed . Problem: Due to an error in the last connection and the redial interval being too short, the server had no time to respond to your username and password. Solution: It is recommended that you try again after one to two minutes

◆Error 621 Cannot open the phone book file Error 622 Cannot load the phone book file Error 623 Cannot find the phone book entry Error 624 Cannot write the phone book file Error 625 Invalid information found in the phone book Problem: Windows NT or Windows 2000 Server network RAS network component failure, no dial-up connection found Cause: Uninstall all PPPoE software, reinstall RAS network components and RasPPPoE

◆Error code 630, prompting that there is no suitable network card or driver error. Cause: Hardware error, which may be caused by network card damage or network card driver failure, or the network card is not installed. Solution: Check whether the network card is working, whether the network line is plugged in, and reinstall the network card. driver and make sure the network card is working properly.

◆Error 633 Problem: The dial-up network cannot be connected because the device is installed incorrectly or is in use Reason: RasPPPoE is not completely and correctly installed Solution: Uninstall any PPPoE software and reinstall it

< p> ◆Error 638 Problem: Unable to connect to ISP's ADSL access server after a long time Cause: ISP server failure; you entered a phone number incorrectly in the bad connection created by RasPPPoE Solution: Run its creation Dial-up Raspppoe.exe checks whether the ISP service can be listed to ensure that the ISP is normal; clear the phone number in the dial-up connection used or leave only a 0.

◆Error code 645 and phonebook entry not found error reasons: 1. More than one network card is installed on Windows98 platform 2. Dial-up network adapter is not installed under Windows98 3. Network Neighborhood - Properties - Configuration View Whether to install the PPPoE protocol 4. "Phonebook entry not found" appears in Windows 2000. Solution: 1. Only keep the corresponding PPPOE driver on one network card (used to dial PPPoE instead of other network cards), and delete the PPPoE on other network cards. driver; 2. If the computer does not have a dial-up network adapter installed, you need to install the dial-up network adapter in Windows (requires 98 CD-ROM). The specific directory is: Control Panel-Add/Remove Programs-Windows Installer-Communication. Change the All options are checked. 3. If the PPPoE protocol is not installed, reinstall the PPPoE protocol. 4. "Phonebook entry not found" appears in Windows 2000 because the PPPoE software clicked "No" when the digital signature appeared during initialization. PPPoE needs to be deleted and reinstalled.

◆Error 650 Problem: The remote computer did not respond and the connection was disconnected. Reason: ADSL ISP server failure, network card failure, abnormal shutdown caused network protocol error. Solution: Check whether the ADSL signal light can be synchronized correctly, and call the ISP to ask. ;Check the network card, delete all network components and reinstall the network.

◆Error 651 Problem: ADSL MODEM reports error Cause: Windows is in safe mode, or other error resolution: When this error occurs, redial, a new specific error code can be reported

p>

◆Error 678 Problem: The remote computer does not respond Reason: There are many reasons for this phenomenon, mainly the hardware is not connected correctly or the phone line is interrupted. Solution: Check whether the connection is correct, call 10000 to report the obstacle

◆Error 691 Problem: The entered user name and password are incorrect, the connection cannot be established Cause: The user name and password are incorrect, ISP server failure Solution: Use the correct user Name and password, and use the correct ISP account format (name@service), call the ISP to ask.

◆692 The modem has a hardware failure. It may be that the modem is not turned on. Please check whether your modem is turned on, or reinstall the modem driver.

◆Error 718 Problem: The remote computer timed out and did not respond when verifying the user name, and the connection was disconnected Reason: ADSL ISP server failure Solution: Call the ISP to inquire

◆Error 720 Problem: Dial-up Networking Unable to coordinate the protocol settings of the server in the network. Reason: ADSL ISP server failure, abnormal shutdown caused network protocol error. Solution: Call the ISP to ask, delete all network components and reinstall the network.

◆Error 734 Problem: PPP connection control protocol terminated Cause: ADSL ISP server failure, abnormal shutdown caused network protocol error Solution: Call the ISP to inquire, delete all network components and reinstall the network.

◆Error 738 Problem: The server cannot assign an IP address Cause: ADSL ISP server failure, too many ADSL users exceed the IP addresses that the ISP can provide Solution: Call the ISP to inquire

◆Error 769: Unable to connect to the specified target.

Problem: This means there is a problem with your computer's network equipment. Solution: Open "My Computer" → "Control Panel" → "Network Connections" and check whether the local connection is in the "disabled" state. If so, just double-click it. Connect locally and see the status changes to "Enabled". If there is no local connection, then there is 100% problem with your network card-either it is not installed properly or it is broken. Please contact your computer vendor or resolve it yourself.

◆Error 797 Problem: The ADSL MODEM connection device was not found. Reason: The power of the ADSL MODEM was not turned on. There was a problem with the connection line between the network card and the ADSL MODEM. After the software was installed, the corresponding protocol was not correctly bonded. After creating the dial-up When connecting, an incorrect empty connection is established. Solution: Check the power supply and connecting cable; check the network properties, whether the RasPPPoE related protocol is correctly installed and correctly bonded (related protocols), check whether the network card has a ? or ! number, and replace it Set to Enable; check the properties of the dial-up connection to see if the connected device uses an "ISDN channel-Adapter Name(xx)" device. This device is an empty device. If it is used, cancel it and select the correct PPPoE device instead. It, or re-establish the dial-up connection

◆Under Windows98, the connection cannot be established, and "Prompt is connecting to the device" Cause of the error: It may be caused by a BUG in Windows98SE Solution: Install the dial-up network patch of Windows98SE.

◆During the dialing process, the system prompts that "Modem" is used by another program. 1. Is the modem in working condition, such as sending and receiving faxes, etc. 2. Whether the program for automatically answering phone calls or automatically sending and receiving faxes is automatically loaded when the system starts. If so, these automatic add-ons can be turned off. 3. The dialer or other program using the modem terminates abnormally and the resources are not released. The computer needs to be restarted.

◆The problem that there is no terminal display after dialing is that when dialing the number, the "Terminal window appears after dialing" is not selected in Properties. Generally, this option can be selected. In the dial-up connection properties, select "Terminal window appears after dial-up" and click the "OK" button.