Lenovo ThinkPad X1 Carbon User Manual page 52

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 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 8.1: Open the Lenovo Settings program and click Power ➙ 30 Day Standby.
– 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 "Lenovo programs" on page 14.
To put your computer into sleep mode, do the following:
– For Windows 8.1: Move the pointer to the bottom-right corner of the screen to bring up the charms.
Then click Settings ➙ Power ➙ Sleep.
– For Windows 7: Use the Start menu shutdown option.
• 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 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. Go to 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 8.1: Go to the desktop screen. Right-click the battery-status icon in the Windows
notification area, click Power Options ➙ Choose what the power button does, and then follow the
instructions on the screen.
– 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
"Lenovo programs" on page 14.
• 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, tap the wireless icon
Note: On the Windows 7 operating system, when the wireless features are disabled, the red wireless-off
indicator turns on.
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User Guide
in the Function mode.