Understanding Error 651: Causes, Fixes, and Prevention

Error 651 is a common issue that plagues Windows users when attempting to establish a new internet connection or when trying to access certain websites. This error can be frustrating and confusing for those affected, as it often disrupts their ability to carry out essential tasks online. In this article, we will explore the causes of error 651 and provide actionable solutions to help you overcome this frustrating issue.

Table of Contents

Understanding Error 651: Causes and Symptoms

When you encounter error 651 on your computer, it can be frustrating and confusing. Understanding the causes and symptoms of this error can help you troubleshoot and resolve the issue. Here are some common causes and symptoms of error 651:

  • Causes:
    • Corrupted system files
    • Outdated network drivers
    • Incorrect network settings
    • Registry errors
  • Symptoms:
    • Inability to connect to the internet
    • Error message pops up when trying to establish a connection
    • Slow internet speed
    • Intermittent connection drops

By identifying these causes and recognizing these symptoms, you can take the necessary steps to resolve error 651 and get your internet connection back up and running smoothly.

Troubleshooting Error 651: Step-by-Step Solutions

If you are encountering Error 651 on your Windows computer, you may be experiencing issues with your internet connection. This error is usually caused by a problem with your modem or other network devices. However, there are several troubleshooting steps you can take to resolve this issue.

Here are some step-by-step solutions to help you troubleshoot Error 651:

  • Restart your computer and modem
  • Check your DSL connection
  • Disable and re-enable your network adapter
  • Update your network adapter drivers
  • Perform a clean boot of your computer

If you have tried these solutions and are still experiencing Error 651, you may need to contact your internet service provider for further assistance. Additionally, you can also seek help from a professional technician to diagnose and fix the issue.

Avoiding Error 651: Best Practices for Prevention

When it comes to preventing Error 651, there are a few best practices that you can follow to minimize the risk of encountering this frustrating issue. By implementing these strategies, you can ensure a smoother and more reliable internet connection, without having to deal with the headache of Error 651.

Best Practices for Prevention

  • Check your modem and router regularly to ensure they are functioning properly.
  • Update your network drivers to the latest version to avoid compatibility issues.
  • Reset your TCP/IP settings to resolve any potential conflicts.
  • Perform regular malware scans to eliminate any potential threats to your network.

By incorporating these best practices into your routine, you can minimize the risk of encountering Error 651 and enjoy a more stable and hassle-free internet connection.

Seeking Help for Error 651: When to Contact Support

If you are experiencing Error 651, it may be time to seek help from professional support. Here are some signs that it’s time to contact support for assistance with this issue:

  • Your attempts to troubleshoot and resolve the error have been unsuccessful
  • You are unable to connect to the internet despite trying various solutions
  • You have already checked your hardware and connections for any issues

Remember, it’s important to reach out for help when you’ve exhausted all other options. Support teams are there to assist you with technical issues like Error 651, so don’t hesitate to contact them for assistance. Whether it’s through online chat, phone support, or email, reaching out to the support team can help you get back online quickly and efficiently.

If you experience any of these signs, it may be time to contact support for further assistance. Remember, seeking help is beneficial and can help you resolve the Error 651 without further hassle.


Q: What is error 651?
A: Error 651 is a common Windows operating system error that occurs when a user tries to establish a broadband connection. It typically presents as a message saying “Connection failed with error 651.”

Q: What causes error 651?
A: Error 651 can be caused by a variety of factors, including faulty network drivers, incorrect internet settings, or problems with the network itself. It can also be triggered by the presence of software or system conflicts.

Q: How can I fix error 651?
A: There are several potential solutions for fixing error 651. These include restarting your modem and router, updating network drivers, performing a clean boot to identify conflicting software, or running the Windows Network Diagnostics tool. In some cases, contacting your internet service provider may also be necessary.

Q: Is error 651 specific to a certain Windows version?
A: Error 651 can occur on various versions of Windows, including Windows 7, Windows 8, and Windows 10.

Q: Can using a VPN cause error 651?
A: Using a VPN can potentially lead to error 651 if there are issues with the VPN software or its configuration. It’s important to ensure that the VPN is set up correctly and is compatible with your network environment.

Final Thoughts

In conclusion, error 651 is a common networking issue that can be frustrating to deal with, but with the right troubleshooting steps, it can often be resolved. Whether it’s checking for hardware malfunctions, updating drivers, or resetting networking components, there are several methods to try in order to fix this error. By following the tips outlined in this article, you can hopefully resolve error 651 and get your internet connection back up and running smoothly. If you continue to experience this issue, it may be best to consult with a professional for further assistance. Thank you for reading and best of luck with resolving your error 651!

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