Error 651 – Methods to Fix it in Windows 7/8
1. Uninstall Modem
By uninstalling the modem user can solve this problem. This solution is Most Common to get rid of this particular error code. Its applicable for all type of dial up modems. There are many people who had solved out this problem by this method.2. Replace raspppse.sys from windows 7 drivers directory
I have seen that many users has successfully solved this problem by replacing the raspppse.sys file from the windows 7 directory.3. Disable IPv6 for your internet connection
User can also solve this problem by turning off the IPv6 for their dialer modem. This is one of the most easiest way for solving out this problem successfully. Right click on the Connections, Select Properties, Then Uncheck the box which says Internet Protocol Version 6 (TCP/IPv6).5. Disable Windows 7 auto tuning feature
There are many people who suggested that by turning off the auto tuning feature we can solve out this problem. This method is useful for only those users who are using router. To Disable Auto tuning follow the below steps.
- Start command prompt as administrator.
- Type in the below command and Press Enter
6. Reinstall LAN card drivers
We have seen that by reinstalling the LAN card drivers, Connection Error 651 problem can be solved. Sometimes it is possible that drivers may get corrupted and this is the reason why I will suggest you to install your drivers again.7. Performing Clean Boot
Performing clean boot can help the user in finding the root cause of this problem. If there is no problem in your windows services then this method will not be working for you.8. Recreate Dialer and Restart ADSL modem router
It is possible that your internet modem could get hanged during the connection. By removing the dialer and then creating the new dialer can help the user a lot. Restarting ADSL modem/router can also work during such type of cases.Sign up here with your email
ConversionConversion EmoticonEmoticon