Lenovo ThinkPad X1 2nd Generation, User Manual, Page: 42 / 134

For instructions on accessing the Power Manager program, see Accessing ThinkVantage programs on
page 12.
For more information about the Power Manager program, refer to the help information system.
Understanding the 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 the battery power.
Introducing the power-saving modes
Screen blank
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 in the task bar.
2. Select
Power off display (keep current power plan)
.
Sleep
In sleep mode, your work is saved to memory, and then the solid state 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 the Fn key.
Depending on the computer model, your computer might support the 30 Day Standby function. When
the function is enabled, the computer consumes even less power in the sleep mode and takes only
seconds to resume normal operation when you press the power button. To enable the 30 Day Standby
function, do the following:
1. Start the Power Manager program and switch to the advanced view.
2. Click the
Global Power Settings
tab and select
Enable 30 Day Standby
.
3. Click Apply. The 30 Day Standby function will take effect the next time you start your computer.
For more information about the 30 Day Standby function, refer to the help information system of the
Power Manger program.
Hibernation
By using this mode, you can turn off your computer completely without saving les or exiting from
any applications that are running. When the computer enters hibernation mode, all open applications,
folders, and les are saved to the solid state drive, and then the computer turns off. Use the Power
Manager program to con gure how you want the computer enter hibernation mode. To enter hibernation
mode, do as follows:
1. Click
Start
.
2. Click the triangle mark on the right side of the
Shut down
icon, then select
Hibernate
Wireless off
When you are not using the wireless features, such as Bluetooth or wireless LAN, turn them off. This will
help conserve power. To turn off the wireless features, press Fn+F5 or use the wireless radio switch.
Enabling the wakeup function
If you put your computer into hibernation mode, and the wakeup function is disabled (this is the default
setting), the computer does not consume any power. If the wakeup function is enabled, it consumes a small
amount of power. To enable the function, do the following:
1. Click
Start
奕
Control Panel
奕
System and Security
.
2. Click
Administrative Tools
.
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User Guide