What to do if Win7 cannot connect to the network error code 651

What to do if Win7 cannot connect to the network error code 651

1. The remote access notebook file may be inconsistent with the current "Network and Dial-up Connection" configuration. If the communication device settings have been changed, please reconfigure them. If it still doesn't work, please delete and re-create the broadband dial-up connection;

2. If the router can connect to the computer but cannot dial-up, open the computer and enter "c:\windows\system32\ logfiles\wmi", double-click RtBackup, it prompts that there is no permission to access the folder, click Continue to obtain permission, and restart to repair.

#3. If it still doesn’t work, delete all etl files in wmi/RtBackup and restart the computer.

#4. Disable the local connection and then shut down the computer. Unplug the network card, modem and power supply for 5 minutes (that is, the network card is discharged). Then plug in the network card and power on. If it is a desktop computer, make sure there is no static electricity on the computer.

5. If the problem is still not solved, it is likely that the system file is damaged. You can change the directory "c:\windows\system32\" from another normal computer. Copy "raspppoe" in drivers\raspppoe.sys".

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