What is error 651 in Windows 10? This is an error usually caused by a Registry issue and will prevent the tool from recognizing your router or hub device. If you are using other devices to connect to your wireless Internet connection, they will work. This is mainly an issue affecting your Windows 10 system. You don’t have to worry anymore – in this guide, we will list the steps to follow in order to fix error code 651. This will only take you a couple of minutes of your time, so don’t hesitate to follow the instructions listed below.

How do I fix Connection Failed error 651?

1. Enter Safe Boot

2. Disable all startup services

3. Rename the rasppoe.sys file

Note: If you want to put the old rasppoe.sys file in the Drivers folder you can delete the one you downloaded and rename the old one you saved above. Rename the rasppoe.sys_backup file to rasppoe.sys and reboot the device.

4. Run the Network Troubleshooter

If your Internet connection remains unavailable, try running the built-in Network troubleshooter. You can launch it from the Control Panel or the Settings page. To run the Internet Troubleshooter, you may also go to Settings > Update & Security > Troubleshooter and select Internet Connections.

5. Reset TCP/IP

If the problem persists, try resetting your TCP/IP. Here are the steps to follow. SPONSORED If you’re having trouble accessing Command Prompt as an admin, then you better take a closer look at this detailed guide.

6. Update your network drivers

Outdated network drivers may also trigger error 651. To fix the problem, make sure that you’ve installed the latest network drivers on your machine. ⇒ Get DriverFix

7. Disable autotuning

AutoTuning is a feature that’s meant to improve the performance of apps and programs relying on TCP. However, in some cases, this tool may do more harm than good, and disabling it may help you fix error code 651. So you now know how to fix your Windows 10 error 651. Please write us below if this article was helpful and if it fixed the Connection Failed error in Windows 10. Be sure that there are several procedures that can help you solve the Internet connection errors you might be facing these days. Take a closer look at our Windows 10 errors hub as well as it is filled with more useful guides.

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