ThinkPad E550, User Manual

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• Recharge the battery completely before using it. You can see whether the battery is fully charged from the
battery-status icon in the Windows notification area.
• Always use power-saving modes, such as sleep mode and hibernation mode.
Managing the battery power
To achieve the best balance between performance and power saving, adjust your power plan settings. To
achieve this, do the following:
1. From the desktop, click the battery-status icon in the Windows notification area on the taskbar.
2. Click More power options
➙
Change plan settings .
3. Follow the instructions on the screen.
Note: Use Lenovo programs for advanced power settings.
• For Windows 7: Use the Power Manager program.
• For Windows 8.1: Use the Lenovo Settings program.
For more information, see “Lenovo programs” on page 14.
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 storage 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, 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
programs that are running. When the computer enters hibernation mode, all open programs, folders, and
files are saved to the storage devices, and then the computer turns off.
To put the computer into hibernation mode, do the following:
– For Windows 7: Open the Start menu, then click the arrow next to the Shut down button. Click
Hibernate from the menu displayed.
Chapter 2
.
Using your computer
33