Hello guys, I am ketan Here I am going to show you how to solve Error 651 in Windows It is a Common error in windows It occures when we try to establish internet connection using PPPoE connections So, let’s start Fix 1. Fix 1 is Restart your all networking devices. Right Click on this icon and go to network and sharing center. Click on Change adapter setting. Right click on your connection and select disable After disable, once again right click on it and select enable. In most of the cases Fix 1 is working But, in your case not working, then you can try Fix 2 Fix 2 is Disable IPV6 for the internet Go to network and sharing center and click on change adapter setting. Right click on your established connection and click on properties. Now, uncheck the IPV6 and click on OK. Now, Fix 3. Fix 3 is Clean Windows networking stack. Open command prompt with administrator privileges. Now type this command and press enter. Now, Fix 4. Fix 4 is Disable Auto tuning. Open Command prompt with administrator privilege. Now, Type this command and press enter. Now, Fix 5. Fix 5 is perform clean boot. Search msconfig.exe and press enter. select selective startup and disable load startup items and press apply Now, go to services tab Check the button of hide all microsoft services Click on disable all button and simply press apply and Ok. Now restart your pc. These are the most accurate solutions of Error 651. For other solution you can visit my website. trickstable.com If you like this video then don’t forget to subscribe my Youtube channel. THANK YOU.