Nitin, $ man pppd reports for error 17 17 The PPP negotiation failed because serial loopback was detected. What is your current modem hardware? Do you have any external devices connected to the serial port. MarvS On Tue, Nov 18, 2008 at 12:40 AM, Nitin Niroula <nitinniroula@xxxxxxxxx> wrote: > When I try to connect to the internet I get message which says 'exit > code 17' loop back detected. What does it mean? Does it mean that my > modem is faulty? Does quality of modem affect net connection or there > is no difference between a cheap internal modem and a costly internal > modem? > > If I replace my modem, how do I uninstall the modem drivers that I had > previously installed. I am using ubuntu 7.10. > > Waiting for reply, > > Nitin Niroula. >