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2 Getting to Know Your PowerBook
This chapter introduces important basics about your
PowerBook.
Because your PowerBook is so thin and light, you can take it with you to the office,
library, class, or wherever you work or play.
Whenever you stop using your PowerBook, wait a few moments to let the hard disk
and any optical disc (such as a CD or DVD) in your drive stop spinning before you
transport the computer. Avoid jostling or bumping your PowerBook while discs are
spinning.
Note: Your PowerBook uses Sudden Motion Sensor technology to help protect the
hard disk if the computer is dropped or experiences extreme vibration. See
“Understanding Sudden Motion Sensor” on page 51 for more information.
When you use your PowerBook or charge its battery, it is normal for the bottom of the
case to get warm. For prolonged use, place your PowerBook on a flat, stable surface.
The bottom of the case is raised slightly to allow airflow that keeps the unit within
normal operating temperatures.
As you get to know your new PowerBook, you might hear system sounds during
startup and when using your hard disk and optical drive. After the PowerBook runs for
some time, small fans might turn on to cool it, producing a faint sound. System sounds
such as these are part of the computer’s normal functioning.
For more safety instructions about handling and using your PowerBook in different
locations, make sure to see Appendix B, “Safety, Use, and Care Information,” on page 73.