Power Management; Power/Suspend/Resume Switch - Fujitsu Lifebook T2020 User Manual

Power Management

Your LifeBook notebook has many options and features for conserving battery power. Some of these
features are automatic and need no user intervention. However, others depend on the parameters you set
to best suit your operating conditions, such as those for the display brightness. Internal power management
for your notebook may be controlled from settings made in your operating system, pre-bundled power
management application, or from settings made in BIOS setup utility.
Besides the options available for conserving battery power, there are also some things that you can do to
prevent your battery from running down as quickly. For example, you can create an appropriate power
saving profile, put your notebook into Sleep mode when it is not performing an operation, and you can
limit the use of high power devices. As with all mobile, battery powered computers, there is a trade-off
between performance and power savings.

Power/Suspend/Resume Switch

When your notebook is active, the Power/Suspend/Resume switch can be used to manually put the
notebook into Sleep mode. Slide the Power/Suspend/Resume switch when the notebook is active, but not
actively accessing anything, and immediately release the button. Note that if you hold the switch
continuously for four seconds or longer, your notebook will shut down; under normal circumstances, this
is not the correct way to shut down. To shut down correctly, refer to "Powering Off" on page 75.
If your notebook is suspended, sliding the Power/Suspend/Resume switch returns your notebook to active
operation. You can tell whether the system is Suspended by looking at the Power indicator. If the indicator
is visible and not flashing, your notebook is fully operational. If the indicator is visible and flashing, your
notebook is in Sleep mode. If the indicator is not visible, the power is off or your notebook is in
Hibernation mode. (See Hibernation Feature)
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