@jelv, thanks for the reply.
-I had made changes whilst trying different things but it is now set back to default.
-Yes, that's how the cable is connected
-Yep, on the router
I had tried to put authentication details into the modem but it has been reset since then
@therealalemadrid
I had tried deleting the PTM profiles and adding an ATM, but who knows if I did it correctly. Probably not
@j0hn
I had also tried just selecting adsl and nothing else in modulation but again to no avail
Thanks for your help so far guys,
Paula