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Spinning down the hard disk
The hard disk is one of the main consumers of battery power. To extend work
time while you are using your battery, it is a good idea to turn off the hard
disk when you are not using it. This is called “spinning down” the hard disk.
To s p i n down the hard disk:
1Click the HD Spin Down module in the Control Strip.
A pop-up menu appears.
2Choose Spin Down Internal Hard Disk.
The icon shows that the hard disk is off.
The hard disk automatically turns itself back on when the computer needs it.
Putting the computer to sleep
Putting your PowerBook to sleep when you take a work break, even for a few
minutes, can give you more work time from your battery. To put your
PowerBook to sleep from the Control Strip:
1Click the Sleep Now module in the Control Strip.
A pop-up menu appears:
2Choose Sleep Now.
Note that if you use a PowerBook Duo 280c, a flashing green light appears in
the upper right corner of the computer’s display.
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The Control Strip