Is the CCII connected to the router? It needs to be connected for the chooser to get and keep the connection. Also, there should be a "Network" control panel (If not in System 7.5.…
I got a free PB150 off Freecycle last year. Definitely remove the rest of the rubber feet - they never harden up again and they're sticky and disgusting. It takes a number of Q-Tip…