How to fix Connection Failed with Error 651

Causes of a Connection Failed With Error 651           

Error 651 indicates that an attempt at a connection to the internet was unsuccessful, or an existing connection has been terminated. A variety of issues can trigger the alert, from incorrect placement of an SYS file, erroneous modem setup, corrupted registry files, an IP address conflict, and driver problems to issues with your internet provider.

Related Blog: HP Error Code 601

How to Fix a Connection Failed With Error 651

Given the number of issues that can because the Error 651 message, the approaches you can take to solve the problem are many. Here are a few things to try.

  1. Test the connection on another device. This is the easiest way to check if the problem is related to your Windows computer, modem, or service provider.

If you can connect another device to the same Wi-Fi network, the problem lies with the computer. If you can't connect anything else to the same network, the problem is with the modem, router, or provider.

  1. Try a different connection. If you can't connect with another Wi-Fi network that you know is working, the problem is the computer. If you can, the connection is to blame.
  2. Check for loose cables. Make sure all of the power and connection cables are plugged in securely to the computer, modem, router, and wall. This might seem obvious, but connections come loose.
  3. Reboot the modem and router. Unplug both devices, wait a minute, then plug in both devices.
  4. Restart the computer. This tech tip is a classic for a reason. It fixes a range of troubles, whether you use Windows 10, Windows 8.1, or Windows 7.
  5. Run the Internet Connections Troubleshooter. Open the Start Menu and select Settings Update Security Troubleshoot Internet Connections Run the troubleshooter.
  6. Check for Windows updates. Go to Settings Update Security Check for updates. The Windows update process installs the latest features and security updates. It also scans the computer, fixes errors, and downloads any files that may be missing or corrupted.
  7. Update the network adapter driver. Drivers help hardware run correctly. Installing a newer one, if available, could solve the internet connection problem.
  8. Disable antivirus software. Some antivirus software can prevent Windows computers from connecting to the internet. Pausing the antivirus program or turning it off completely frequently fixes internet connection issues.
  9. Try these Windows 10 command prompts. First, you'll need to open Command Prompt. In the Windows 10 taskbar search bar or from within Cortana, type Command prompt, then select Run as administrator Yes. Next, type these command prompts, pressing Enter after each:
  10. netsh int ip reset reset.log

This resets the Windows networking stack.

Netsh interface tcp set global autotuning=disabled

This disables autotuning.

regsvr32 raspppoe.sys

This re-registers the raspppoe.sys file.

Restart the computer, and check the connection.

Source URL: - Error 651


If you have facing the error visit here Connection Failed With Error 651

Publicado en Technology en mayo 01 at 04:54
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