First, right click on the dial you created, click Delete
1, position in "start" (the lower left corner of the circular Windows logo)--Control Panel--Network and internet--view network status and tasks--Change adapter settings (located at the top left of the window), right-click the dial-up connection you created (the name is your own, probably called broadband dialing, and so on), Left-click "Delete" in the right menu.
2, to find your dial-up connection can be deleted.
Second, recreate a new dial-up connection
1, open the Control Panel, select Network and Sharing Center.
2. Select "Set up a new connection or network" in the Network and Sharing Center.
3, choose to connect to the Internet.
4, select "Still want to set up a new connection."
5, choose "Broadband PPPoE".
6, enter the corresponding broadband account number and password, click Connect.
7. Click the "Change adapter settings" Windows7 Tutorial
8. Right-click on "Broadband connection" to select "Create Shortcut".
The following may also cause a dial 797 error
1, the ADSL cat is broken or the power is not open.
2, the network cable does not pass (that is, the network cable is broken), network cable is also equipment, also has the service life!
3, the network cable did not plug well.