Lenovo E31-70 Laptop Hardware Maintenance Manual - Lenovo E31-70 Laptop - Page 31

Powermanagement, Sleepmode

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Chapter 4. Related service information This chapter presents following information: • "Restoring the factory contents by using OneKey Recovery" on page 25 • "Power management" on page 25 Restoring the factory contents by using OneKey Recovery Restore of factory default The Lenovo E31-70 computers come with pre-installed OneKey Recovery System. In order to save application files and the initial backed up files of the system, the hard disk in a Lenovo computer includes a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up, just enter Lenovo OneKey Recovery System and run System Recovery. For details of OneKey Recovery System, see the User Guide for Lenovo OneKey Recovery system. Note: This will delete all the new data on the system partition (C drive), which is not recoverable. Make sure to back up your critical data before you perform this action. When you use the recovery discs to boot your computer, the system will enter the user interface for system recovery automatically. Please follow the prompt to insert the backup discs to complete the whole recovery process. Note: The recovery process might take up to 2 hours. Power management To reduce power consumption, the computer has three power management modes: screen blank, sleep, and hibernation. Screen blank mode (for the Windows 7 operating system only) If the time set on the "Turn off monitor" timer in the operating system expires, the LCD backlight turns off. To put the computer into screen blank mode, do the following: 1. Right-click the battery status indicator on the taskbar. 2. Select Power off display. To end screen blank mode and resume normal operation, press any key. Sleep mode When the computer enters sleep mode, the following events occur in addition to what occurs in screen blank mode: • The LCD is powered off. • The hard disk drive or solid-state drive is powered off. • The microprocessor stops. To put your computer into sleep mode, press Fn+F1 or do the following: • Windows 7: 1. Click Start. © Copyright Lenovo 2015 25

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Chapter4.Relatedserviceinformation
This chapter presents following information:
• “Restoring the factory contents by using OneKey Recovery” on page 25
• “Power management” on page 25
RestoringthefactorycontentsbyusingOneKeyRecovery
Restoreoffactorydefault
The Lenovo E31-70 computers come with pre-installed OneKey Recovery System. In order to save
applicationfilesandtheinitialbackedupfilesofthesystem,theharddiskinaLenovocomputerincludes
a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up,
justenterLenovoOneKeyRecoverySystemandrun
SystemRecovery
. For details of OneKey Recovery
System, see the User Guide for Lenovo OneKey Recovery system.
Note:
Thiswilldeleteallthenewdataonthesystempartition(Cdrive),whichisnotrecoverable.Makesure
to back up your critical data before you perform this action.
When you use the recovery discs to boot your computer, the system will enter the user interface for
systemrecoveryautomatically.Pleasefollowtheprompttoinsertthebackupdiscstocompletethewhole
recovery process.
Note:
The recovery process might take up to 2 hours.
Powermanagement
To reduce power consumption, the computer has three power management modes: screen blank, sleep,
and hibernation.
Screenblankmode(fortheWindows7operatingsystemonly)
Ifthetimesetonthe“Turnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.
To put the computer into screen blank mode, do the following:
1. Right-click the battery status indicator on the taskbar.
2. Select
Poweroffdisplay
.
To end screen blank mode and resume normal operation, press any key.
Sleepmode
When the computer enters sleep mode, the following events occur in addition to what occurs in screen
blank mode:
• The LCD is powered off.
• The hard disk drive or solid-state drive is powered off.
• The microprocessor stops.
To put your computer into sleep mode, press Fn+F1 or do the following:
•
Windows7:
1. Click
Start
.
© Copyright Lenovo 2015
25