Apple PowerBook (Duo 270C) - Manual (Page 22)

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You see a blinking question mark icon on the screen.
This icon 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 box with your computer.
For instructions, see the chapter on installing system software
in the reference section of this book.
What to do next
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If you have never used a Macintosh computer before,
continue with the next section, “Learning the Basics.”
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If you have never used a PowerBook computer before,
continue with the section “Turning the PowerBook On and
Off.” This section contains information about power states
that can help you use your computer efficiently.
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If you are an experienced PowerBook user, you are ready to
start your own work.
6 Chapter 1: Setting Up Your PowerBook Duo