1.Save all your current work, close all open applications, then shut down your computer. Wait for a minute.
2.First, turn your Router off and wait for a couple of minutes.
3.Turn off your modem.
4.Disconnect all the Ethernet cables that are connected to the router and modem and the PC.
5.Reconnect them and ensure that there are no loose connections in between them.
A 651 network corruption could be caused by a faulty IT staff or modem, or there could be a connection issue. Therefore, you can restart the modem on this PC/Laptop to reconnect. 1) Shut down your computer (make sure you save all current work before closing Windows).
WAN miniport error 651 | Techwalla Sometimes when you try to connect to the Internet using PPPoE connections in Windows 7, you encounter the message “Error 651: The modem (or other meeting device) reported the best error.”
Hi njneedshelp, Windows 7 comes with a number of troubleshooters that can automatically fix one or two common problems with your device. One of them is the Internet Connection Troubleshooter.
How do I fix Connection failed with error 651?
Check the connection to another device. Try a different port. Check if the cables are loose. Restart the relevant modem and router. Restart your desktop PC. Run Internet Connection Troubleshooter. Check for Windows updates. Update the communication adapter driver.
What is broadband connection error 651?
Troubleshooting Windows error 651 in ten guides. Partnership error 651 indicates that the connection between your PC and your company’s DSL router, DLAN, or adapter has already been lost.
What is Error 651 in broadband connection?
Software error code 651 usually occurs when a user tries to stop broadband access on the Windows 10 operating system. This indicates that your modem (or new device connection) has also reported an error. Usually, the message might say “Connection failed with error 651”. I suggest you remove the modem and see if the game helps.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.