The procedure will vary between the various internet providers.
All instructions are case sensitive.
Click on View , Show The System . Double-click on etc folder Click once on the rc2.d folder. Rename them to S20diald.backup and S20ppp.backup . To rename a file, click once on the file and press the F2 key and type the new name. In the left column, click once on the rc3.d folder and rename the same files.