I am usually proud of my ability to help friends out with their computer
problems, but I was stumped by a friend who has an iBook with 10.2 and
an airport card. Her computer suddenly could not connect to a Netgear
MR314 wireless router (that I had set up) after many months of working
fine. It sees the router just fine--full signal strength, but no
browsing or email works.
Looking at the Network pane, I saw that it had a self-assigned IP
address (the 169.254 number), instead of what it was supposed to have, a
192. number (using DHCP).