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Using Power-Saving Modes
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Using Power-Saving Modes
When you use a battery as the source of power for your computer, you
can take advantage of power-management settings to conserve battery
life. In addition to the normal operating mode, which allows you to turn
off specific devices, your computer has three distinct power-saving
modes: System Idle, System Suspend, and System Hibernation. When
using battery power, you should be aware that the computer
automatically enters System Hibernation mode when the remaining
battery charge drops below five percent, regardless of the power-
management setting you select.
Normal Mode
This is the normal state of your computer when it is in use. The green
power indicator light is on in this mode. To save power, you can turn off a
specific device such as the LCD or the hard disk.
System Idle Mode
This mode is convenient if you do not need to use your computer for a
brief period. The hard disk and video display enter a low power state,
and the CPU clock and processor stop. The power indicator light is tan in
this mode.
To activate System Idle mode
Press Fn+S, or use the PowerPanel utility.
To return to normal mode
Press any key. Note that resuming from System Idle using the touchpad or
mouse is not possible. You must press a key, a PPK (see “Starting Your
Favorite Software with Programmable Power Key (PPK) Setup” in the
online document Customizing Your VAIO
®
Notebook Computer), or the
power button.
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If the battery level falls below 10 percent, you should either attach the AC adapter to
recharge the battery or shut down your computer and insert a fully charged battery.