Lenovo ThinkPad T450, Руководство пользователя

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Maximizing the battery life
To maximize the life of the battery, do the following:
• Use the battery until the charge is completely depleted; that is, use the battery until the battery status
indicator starts blinking orange.
• Recharge the battery completely before using it. The battery is fully charged if the battery indicator shows
green when the ac power adapter is plugged in.
• Always use power management features such as power-saving modes.
Managing the battery power
To achieve the best balance between performance and power saving, adjust your power plan settings.
To access power plan settings, do the following:
• For Windows 7: Start the Power Manager program and then click the Power Plan tab. For instructions on
how to start the Power Manager program, see “Lenovo programs” on page 14.
• For Windows 8.1: Go to the desktop and right-click the battery status icon in the Windows notification
area. Then click Power Options . Then click Change plan settings next to your power plan
For more information about the Power Manager program, refer to the help information system.
Power-saving modes
There are several modes that you can use at any time to conserve power. This section introduces each
mode and gives tips on the effective use of battery power.
• Screen blank mode (for Windows 7 only)
The computer display requires considerable battery power. To turn off the power to the display and make
the computer enter screen blank mode, right-click the battery-gauge icon in the windows notification area
and select
Power off display .
• Sleep mode
In sleep mode, your work is saved to memory, and then the solid-state drive, hard disk drive, or hybrid
drive, and the computer display are turned off. When your computer wakes up, your work is restored
within seconds.
To put your computer into sleep mode, press Fn+4.
You also can put the computer into sleep mode by doing the following:
– For Windows 7, click Start ➙ Sleep .
– For Windows 8.1, go to the Start screen by pressing the Windows key , click the power icon ,
then click Sleep .
Depending on the model, your computer might support the 30 Day Standby function. When this function
is enabled, the computer consumes even less power in sleep mode and takes only seconds to resume
normal operation when you press the power button. For more information about the 30 Day Standby
function, do the following:
– For Windows 7: Refer to the help information system of the Power Manager program.
– For Windows 8.1: Open the Lenovo Settings program and click Power ➙ 30 Day Standby .
For more information about the programs, see “Lenovo programs” on page 14.
• Hibernation mode
By using this mode, you can turn off your computer completely without saving files or exiting any
Chapter 2
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Using your computer
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