One last thing you can try is to run a program called Look@LAN.
Select a "New Profile" and set the scan range to 192.168.0.0 -> 192.168.255.255
This will scan your network and report a list of all IP addresses it has found with something attached. If you see one which you don't recognise then try and telnet onto it and see if it is your Tivo!
If you've never pulled the disc before (and it sounds like you haven't?) this will be the simplest solution. Otherwise you will need to find and adapt (there is not a one-page to just repair the network config) instructions on how to get into your TiVo safely, and boot into byte-swapped Linux
(MFS Live 1.3 (not
Or, as always, use the search function on this forum.