Thanks for your reply. The modulation type was "multi". I dropped the list, selected G.dmt and clicked on Apply. I then get the message "Save configuration and reboot to take effect". I clicked on okay.I restarted my modem and when I go to the same page where I selected G.dmt, it automatically comes back to the original Multi mode. Am I doing something wrong? How do I save the setting? Doesn't 'Apply' mean save? I rebooted / restarted the modem too.