Win7 system broadband 797 error solution

First, the cause analysis:
797 error is generally the computer adsl moden connection device is not found to cause the connection can not be connected, resulting in a network card and adsl modem connection failure, in the creation When the connection was dialed, an incorrect connection was created.
Second, the solution:
1, first check the computer and cat's power and power cable. Check the properties of the network and the protocols related to raspppoe are installed correctly, and bind them to the relevant protocols.
2, when detecting the presence of an exclamation point or question mark on the NIC driver, set it to enable and check the properties of the dial-up connection.
3, to see whether the connected device uses an isdn channel-adapter name (xx) device, if it is, the device is empty, all devices will not be connected to the network error 797. You can cancel your device and use the correct pppoe device to recreate it, or you can recreate the dial-up connection.
4, if there is a problem with the TCP/IP protocol, if there is a backup, you can restore it, or reinstall the relevant protocol, if the problem is still unresolved, you can only do the system.