Lenovo X131E Managing the battery power, Power-saving modes, Introducing the power-saving modes

•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 modes, screen blank, sleep, and hibernation.

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 “Accessing Lenovo programs on the Windows 7 operating system” on page 13.

•For Windows 8: Right-click the battery status icon from the Windows notification area and click Power Options. Then click Change plan settings that is next to your power plan.

For more information, refer to the help information system of the program.

Power-saving modes

There are several power-saving modes that you can use at any time to conserve power. This section introduces each mode and gives tips on the effective use of the battery power.

Introducing the power-saving modes

•Screen blank (for the Windows 7 operating system only)

The computer display requires considerable battery power. To turn off power to the display, do the following:

1.Right-click the Power Manager battery gauge on the task bar.

2.Select Power off display.

•Sleep

In sleep mode, your work is saved to memory, and then the solid-state drive or the hard disk 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+F4. To return from sleep mode, press Fn key.

Depending on the computer 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 instructions on how to start the Power Manager program, see “Accessing Lenovo programs on the Windows 7 operating system” on page 13.

–For Windows 8: Open the Lenovo Settings program and click Power.

•Hibernation

By using this mode, you can turn off your computer completely without saving files or exiting from any programs that are running. When the computer enters hibernation, all open programs, folders, and files are saved to the hard disk, and then the computer turns off.

To put the computer into hibernation mode, change 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 “Accessing Lenovo programs on the Windows 7 operating system” on page 13.

28User Guide