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Chapter 10
The PowerBook Duo
The computer won’t start.
m The computer may be on, but the screen brightness or contrast may be
turned down. Adjust the brightness and contrast controls.
m Try holding the Power On key down for 30 seconds, or until you hear a
chime.
m The battery may be drained. Plug in the power adapter, wait 30 minutes,
and then try to turn on the computer.
m Ta ke out the battery, unplug the power adapter, and let the computer sit for
15 minutes. Then replace the battery, plug in the power adapter and try
again.
The computer won’t restart.
Try to restart your computer using one of the following methods. Try them in
the order given.
m
Press the
x
(Command), Control, and Power On keys at the same time.
When pressed at the same time, these keys turn the computer off and back
on. Restarting the computer this way does not affect your RAM disk (if you
created one) or its contents.
m
Hold down the power button (at the back of the computer) for 5 seconds to turn the
computer off, then press the Power On key.
Tur ni ng the co mputer off with the power button erases the contents of a
RAM disk.
m
If you have a floppy disk drive, restart from a floppy disk.
1. Insert the Disk Tools disk into the floppy disk drive.
2. Press the Power On key.
If the computer restarts from a floppy disk, there is probably a problem
with your hard disk. You may be able to fix the problem yourself (using the
Disk First Aid program or another disk repair program; see the Macintosh
Reference book for help). Or you may prefer to take the computer to your
Apple-authorized service provider.