If you are a Windows 10 user, you might have encountered Error 651 at some point. This error usually occurs when you are trying to establish a connection to the internet. It can be frustrating and prevent you from accessing the web. But don’t worry, we’ve got you covered! In this blog post, we will discuss various fixes and solutions to troubleshoot Error 651 in Windows 10.

What is Error 651?

Before we dive into the fixes, let’s understand what Error 651 actually means. Error 651 is a common Windows error that occurs when the system is unable to establish a connection to the internet through a broadband modem or router. It is often caused by incorrect network configuration settings or driver issues.

Fixes for Error 651 in Windows 10

Here are some effective solutions you can try to resolve Error 651:

  • Method 1: Restart Your Modem and Router

    • One of the simplest fixes for Error 651 is to restart your modem and router. Simply turn them off, wait for a few seconds, and then turn them back on. This can refresh the network connection and resolve any temporary issues causing the error.

  • Method 2: Update Network Adapter Driver

    • An outdated or faulty network adapter driver can often lead to Error 651. To fix this, you need to update the driver. Here’s how:

    1. Press Win + X and select Device Manager from the dropdown menu.
    2. In the Device Manager window, expand the Network adapters category.
    3. Right-click on your network adapter and select Update driver.
    4. Choose the option to automatically search for updated driver software.
    5. Wait until the update process completes and then restart your computer.
  • Method 3: Disable IPv6

    • Sometimes, disabling IPv6 can resolve Error 651. Follow these steps:

    1. Press Win + R to open the Run dialog box.
    2. Type ncpa.cpl and press Enter to open the Network Connections window.
    3. Right-click on your active network connection and select Properties.
    4. Uncheck the box next to “Internet Protocol Version 6 (TCP/IPv6)”.
    5. Click OK to save the changes and close the window.
  • Method 4: Reset TCP/IP

    • Resetting the TCP/IP (Transmission Control Protocol/Internet Protocol) stack can often fix Error 651. Follow these steps:

    1. Open the Command Prompt as an administrator.
    2. Type the following commands one by one, pressing Enter after each one:
      • netsh interface ipv4 reset
      • netsh interface ipv6 reset
    3. Restart your computer and check if the error is resolved.

Hopefully, these fixes have helped you resolve Error 651 in Windows 10. If none of the solutions work, it might be worth contacting your internet service provider or seeking professional assistance for further troubleshooting.

Remember to always keep your Windows 10 system and drivers up to date to prevent such errors from occurring in the future. Happy browsing!

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