72
Getting Started
Turning off the computer
TECHNICAL NOTE: Before using any of these options to shut down
or turn off your computer, save your files and make sure all disk/disc
activity lights are off.
If you change your mind and decide to continue working after all,
wait a few seconds before turning the computer on again.
Hibernation mode
Hibernation mode shuts the computer down completely, but it first
saves the current state of the computer to the hard disk. Since
Hibernation mode does not require power to maintain the saved
information, system settings are retained indefinitely.
Factors to consider when choosing Hibernation:
❖ While in Hibernation mode, the computer uses no main battery
power.
❖ Because the state of the system is stored on the hard disk, no
data is lost if the main battery discharges.
❖ Restarting from Hibernation takes less time and consumes less
main battery power than restarting from turning off the
computer.
❖ Since information is being retrieved from the hard disk rather
than from memory, restarting from Hibernation takes a little
more time and consumes more main battery power to start up
than when restarting from Standby.
❖ When starting up again, the computer returns to the state in
which you left it, including all open programs and files you
were using.
For information on how to use and configure Hibernation mode see
“Using and configuring Hibernation mode” on page 75.
Standby mode
The Standby command places the computer into a power-saving
mode. Standby holds the current state of the computer in system
memory (RAM) so that, when you restart the computer, you can
continue working from where you left off.
Factors to consider when choosing Standby:
❖ While in Standby mode, the computer uses some main battery
power.
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