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What is broadband prompt error 3 1?
Broadband prompt error 3 1 is that the network card driver cannot read ADSL information. Solution: Uninstall the network card driver of the operating system, and then reinstall it.

① Error code 6 19: Unable to establish connection with ISP server. Reason: ADSL ISP server failure, ADSL telephone line failure.

Solution: The remote server is not responding, which is usually the cause of line instability. If you confirm that there is nothing wrong with your internet access equipment, you can call the customer service of the network provider to solve it.

② Error code 605: Unable to set port information.

Solution: Remote access to notebook files may be inconsistent with the current configuration of network and dial-up connection. If you change the communication device (such as serial port or modem), make sure to reconfigure the network and dial-up connection. If the error persists, delete and recreate the network and dial-up connections.

③ Error code 606: The specified port is not connected.

Solution: An internal error occurred, so restart the computer to ensure that all recent configuration changes can take effect.

④ Error code 602: The specified port has been opened.

Solution: The com port that the network connection is trying to use is being used by other active network connections or other processes (for example, telephone line monitoring programs such as fax programs), so quit the application that blocks the use of com port.