Apple PowerBook (200 Series) - Manual (Page 14)

m You see a picture of a disk with a blinking question mark on the screen.
This picture means that you need to install system software on the
computer’s hard disk. System software includes the programs the computer
uses to start itself up. You received a set of system software disks in the
accessory kit that came with your computer. For instructions on installing
system software, see the PowerBook Troubleshooting Guide you received
with your computer.
6 Chapter 1