I had to reinstall Debian on my ThinkPad after something I did caused it to go into endless reboots.
The second time around, I did not choose a network card and only set up PCMCIA and when I rebooted, I still had no network card, so I opened another console and as root entered the command /etc/init.d/network start and that brought the network card up. I am waiting to see how IBM deals with this when they start including Linux with ThinkPads. I seem to recall it will be RedHat, though. This time, the first thing I will do is recompile the kernel and be careful not to add a new kernel by accident. I think that is how I messed it up. -- Andrew