Lenovo ThinkPad T540p (English) User Guide - Page 43

Power-saving modes, For Windows 8 and Windows 8.1: Open the Lenovo Settings program and click

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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 or the hard disk drive and the computer display are turned off. When your computer wakes up, your work is restored within seconds. 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 instructions on how to start the Power Manager program, see "Accessing Lenovo programs on the Windows 7 operating system" on page 14. - For Windows 8 and Windows 8.1: Open the Lenovo Settings program and click Power ➙ 30 Day Standby. To put your computer into sleep mode, do the following: - For Windows 7: Use the Start menu shutdown option. - For Windows 8 and Windows 8.1: Move the cursor to the top-right or bottom-right corner of the screen to bring up the charms. Then click Settings ➙ Power ➙ Sleep. • 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 hard disk drive or solid-state drive, and then the computer turns off. If you put your computer into hibernation mode with the wake-up function disabled, the computer does not consume any power. The wake-up function is disabled by default. If you put your computer into hibernation mode with the wake-up function enabled, the computer consumes a small amount of power. To enable the wake-up function, do the following: 1. Open Control Panel and click System and Security. 2. Click Administrative Tools. 3. Click Task Scheduler. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. 4. From the left pane, select the task folder for which you want to enable the wake-up function. The scheduled tasks are displayed. 5. Click a scheduled task, and then click the Conditions tab. 6. Under Power, select the check box for Wake the computer to run this task. To put the computer into hibernation mode, change your power plan settings by doing the following: - For Windows 7: Start the Power Manager program and then click the Power Plan tab. Then follow the instructions on the screen. For instructions on how to start the Power Manager program, see "Accessing Lenovo programs on the Windows 7 operating system" on page 14. - For Windows 8 and Windows 8.1: Right-click the battery status icon in the windows notification area and click Power Options, and then click Change plan settings that is next to your power plan. Then follow the instructions on the screen. Chapter 2. Using your computer 27

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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 or the hard disk drive and the
computer display are turned off. When your computer wakes up, your work is restored within seconds.
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 instructions
on how to start the Power Manager program, see “Accessing Lenovo programs on the Windows 7
operating system” on page 14.
– For Windows 8 and Windows 8.1: Open the Lenovo Settings program and click
Power
➙
30 Day
Standby
.
To put your computer into sleep mode, do the following:
– For Windows 7: Use the Start menu shutdown option.
– For Windows 8 and Windows 8.1: Move the cursor to the top-right or bottom-right corner of the screen
to bring up the charms. Then click
Settings
➙
Power
➙
Sleep
.
•
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 hard disk drive or solid-state drive, and then the computer turns off.
If you put your computer into hibernation mode with the wake-up function disabled, the computer does
not consume any power. The wake-up function is disabled by default. If you put your computer into
hibernation mode with the wake-up function enabled, the computer consumes a small amount of power.
To enable the wake-up function, do the following:
1. Open Control Panel and click
System and Security
.
2. Click
Administrative Tools
.
3. Click
TaskScheduler
. If you are prompted for an administrator password or confirmation, type the
password or provide confirmation.
4. From the left pane, select the task folder for which you want to enable the wake-up function. The
scheduled tasks are displayed.
5. Click a scheduled task, and then click the
Conditions
tab.
6. Under
Power
, select the check box for
Wake the computer to run this task
.
To put the computer into hibernation mode, change your power plan settings by doing the following:
– For Windows 7: Start the Power Manager program and then click the
Power Plan
tab. Then follow
the instructions on the screen. For instructions on how to start the Power Manager program, see
“Accessing Lenovo programs on the Windows 7 operating system” on page 14.
– For Windows 8 and Windows 8.1: Right-click the battery status icon in the windows notification area
and click
Power Options
, and then click
Change plan settings
that is next to your power plan. Then
follow the instructions on the screen.
Chapter 2
.
Using your computer
27