The error 651 message is the most common error found on computers. From Windows 10 through Windows 7 it usually appears in a small pop-up window which includes this text:
Error 651: The Modem (or other connecting devices) has reported an error. If you continue to receive messages, you can enable login for analysis
Although thus error 651 is a relatively minor problem and shouldn’t cause a computer to shut down, restart, or display the blue screen of death.
Summary
How To Fix Error 651?
To Fix Error 651 We have 4 troubleshooting methods given below:
Method 1: Run the Network Troubleshooter
The Network troubleshooter can help diagnose and fix common connection problems. Using this troubleshooter can help get you connected. So follow the steps given below to run it:
- Go to Start > type control panel > open Control Panel
- In the search box, type troubleshoot > select Troubleshooting > click on View All to list all the troubleshooting tools.
- Select and run the following troubleshooters: Incoming connections, Internet Connections, and Network Adapter.
- Restart your computer and check your Internet connection.
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.
Method 2: Reset TCP/IP
TCP defines how the programs can create the communication channels through a network, while IP Address is responsible for the address of each packet and make sure it is sent to the correct destination. Follow the steps given below to reset it:
- Type cmd in the search box of the task bar.
- Right click Command Prompt and select Run as administrator.
- If the permission panel opts for confirmation then click on Yes to confirm
- Copy this command netsh int ip reset reset.log and paste it in your Command Prompt
- Press Enter on your keyboard
- After the command completed, restart your PC and try to connect again.
Method 3: Disable Auto Tuning Feature
The Windows auto-tuning feature enables your Windows to continually monitor routing conditions such as bandwidth and network delay. It is turned on by default in your computer. So follow the steps below to disable it:
- Type cmd in the search box of the task bar.
- Right click Command Prompt and select Run as administrator.
- If the permission panel opts for confirmation then click on Yes to confirm
- Copy this command Netsh interface tcp set global autotuning=disabled and paste it in your Command Prompt
- Press Enter on your keyboard
- After the command completed, restart your PC and try to connect again.
Method 4: Enter Safe Boot
Safe mode is a diagnostic mode of a computer operating system (OS which is intended to help fix most, if not all problems within an operating system. So in this entering into safe boot will help you to fix your error 651
- Press Windows + R Hotkey on your keyboard
- A Run window will appear.
- Write the following command MSCONFIG in the Run window
- Press the Enter button on the keyboard.
- Now another window will show and you will need to left-click on the Boot tab situated in the upper side of that window.
- In the topic Boot options, you need to left-click on Safe boot
- Check the box next to Network under the Options section of the page.
- Reboot your Windows 10 device
Conclusion
These are 4 troubleshooting methods to solve your Error 651. Try these methods one by one and if the problem still persists then contact Microsoft Windows Support to resolve your error.
