Enter Safe Boot. You will need to restart your Windows 10 and log in to your Safe Mode with the networking features
Disable all startup services. Press and hold the Windows button and the R button. In the Run window that appeared
Rename the rasppoe.sys file. When your Windows 10 powers up on the start screen, you need to left-click on the
Run the Network Troubleshooter. Go to Start > type control panel > open Control Panel. In the search box, type
Error 651: The modem (or other connecting device) has reported an error. In newer versions, like Windows 8 and Windows 10, Error 651 is usually due to a problem with the network adaptor, which is where the hardware of the PC meets that of the network device.
Updated April 2024: Stop error messages and fix your computer problem with this tool. Get it now at this link[Solution] How to fix error 651 in Windows Restart your laptop and modem. Update the network card of the car owner. Troubleshoot network settings and sharing center. Reset TCP/IP in Windows. Disable the automatic optimization you have. To learn more.
What is Error 651 and How to Fix Error 651 in Windows 8, 7, 8.1 and – Ten of the Top 5 Methods Method 9 – Restart all network devices. This error can be easily fixed by restarting all network devices.
Multiple Method – Reboot PC/Modem – Fix Modem Error 651.
Method 3 – Disable IPv6 from the network.
Steam Method – Reset TCP/IP – Netgear Ready Error 651.
Method 5 – Disable the autotune feature.
Why does an error occur? 651 Method 1: Restart your computer and modem. Network error 651 can be caused by your PC, also known as a modem problem, and there may be a connection issue.
Method 2: Update the network card driver
Method two: Troubleshoot settings in the Network and Sharing Center.
Method 4: Reset TCP/IP via Windows.
Method 5: Disable the auto-tuning feature.
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Check the connection on another device.
Try only one other connection.
Look for absolutely free cables.
Restart your modem and wireless router.
Restart your computer.
Run the Internet Connection Troubleshooter.
Check for changes in Windows.
Update the adapter technology driver.
Error code 651 usually occurs even if the user is trying to connect to high-speed internet on the Windows 7 operating system. It provides a message that your switch (or other connection device) reported an error, and usually the signal “Connection failed due to an error 651 happened.” I suggest you remove the modem and see if that helps.
Confirm your username and password.
Check your phone number.
Allow insecure password.
Check phone line noise.
Reduce your connection speed.
Disable hardware flow control.
Disable modem error checking.
Disable modem compression.
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I’m Ahmir, a freelance writer and editor who specializes in technology and business. My work has been featured on many of the most popular tech blogs and websites for more than 10 years. Efficient-soft.com is where I regularly contribute to my writings about the latest tech trends. Apart from my writing, I am also a certified project manager professional (PMP).