Getting Error 720 While Making a Dial-up Connection

Yesterday while making a dial-up connection on my laptop it showed an error message Error 720: A connection to the remote computer could not be established. While searching for the possible reasons and solution for error 720, I found following information. Some of the reasons to get this error message are weak signal, Loose contact of the modem, corrupted TCP/IP protocol etc. If you ever see this error message, I hope the following troubleshooting guide will help you to resolve it.



How to Resolve Error 720


  1. If it is a USB modem you should unplug and replug the modem.
  2. Uninstall and Reinstall TCP/IP:
    Corrupted TCP/IP protocol on your computer may results "Error 720: A connection to the remote computer could not be established" error message while making a dial-up connection. To fix this follow the instructions provided in the link below.
    How to Uninstall and Reinstall TCP/IP Protocol on Your Computer

  3. Update Adapter Driver:
    To fix Error 720: A connection to the remote computer could not be established you may need to uninstall the Ethernet Adapter driver and update it with the latest version. To perform this follow the instructions provided in the link below.
    Uninstall and Update Ethernet Adapter Driver on Your Computer

  4. If the  issue persists, you may follow the steps provided in the link below.
    Error 619: A Connection to the Remote Computer Could not be Established

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