Lenovo ThinkPad L520 (English) User Guide - Page 56

Sleep standby in Windows XP

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Introducing the power-saving modes • Screen blank. The computer display requires considerable battery power. To turn off power to the display, do as follows: 1. Press Fn+F3. A panel for selecting a power plan (in Windows XP, power scheme) appears. 2. Select Power off display (keep current power plan) (in Windows XP, keep current power scheme). Notes: You can also turn off the computer display as follows: 1. Press Fn+F3. A panel for selecting a power plan (in Windows XP, power scheme) appears. 2. Select Fn+F3 Settings. 3. Select Power off display. 4. Click OK. The next time you press Fn+F3, you can turn off the computer display. • Sleep (standby in Windows XP). In sleep (standby) 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 (standby) mode, press Fn+F4. To return from sleep (standby) mode, press the Fn key. • Hibernation. By using this mode, you can turn off your computer completely without saving files or exiting from any applications that are running. When you enter hibernation, all open applications, folders, and files are saved to the hard disk, and then the computer turns off. To enter hibernation, press Fn+F12. To resume your session, press the power button for no more than 4 seconds. 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. 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 as follows: For Windows 7 and Windows Vista: 1. Click Start ➙ Control Panel ➙ System and Security (in Windows Vista, System and Maintenance). 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 wakeup 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. For Windows XP: 1. Click Start ➙ Control Panel ➙ Performance and Maintenance. 2. Click Scheduled Tasks. The scheduled tasks are displayed. 3. Right-click on a scheduled task. 4. Click Properties. 5. Click the Settings tab. 6. Under Power Management, select the check box for Wake the computer to run this task. 38 User Guide

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Introducing the power-saving modes
•
Screen blank.
The computer display requires considerable battery power. To turn off power to the
display, do as follows:
1. Press Fn+F3. A panel for selecting a power plan (in Windows XP, power scheme) appears.
2. Select
Power off display (keep current power plan)
(in Windows XP,
keep current power scheme
).
Notes:
You can also turn off the computer display as follows:
1. Press Fn+F3. A panel for selecting a power plan (in Windows XP, power scheme) appears.
2. Select
Fn+F3 Settings
.
3. Select
Power off display
.
4. Click
OK
. The next time you press Fn+F3, you can turn off the computer display.
•
Sleep (standby in Windows XP).
In sleep (standby) 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 (standby) mode, press Fn+F4. To return from sleep (standby) mode,
press the Fn key.
•
Hibernation.
By using this mode, you can turn off your computer completely without saving files or
exiting from any applications that are running. When you enter hibernation, all open applications, folders,
and files are saved to the hard disk, and then the computer turns off. To enter hibernation, press Fn+F12.
To resume your session, press the power button for no more than 4 seconds.
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.
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 as follows:
For Windows 7 and Windows Vista
:
1. Click
Start
➙
Control Panel
➙
System and Security
(in Windows Vista,
System and Maintenance
).
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 wakeup 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
.
For Windows XP
:
1. Click
Start
➙
Control Panel
➙
Performance and Maintenance
.
2. Click
Scheduled Tasks
. The scheduled tasks are displayed.
3. Right-click on a scheduled task.
4. Click
Properties
.
5. Click the
Settings
tab.
6. Under Power Management, select the check box for
Wake the computer to run this task
.
38
User Guide