Lenovo 2568 [B540] 10101 Manuel D’Utilisation

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User Guide
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By using ENERGY STAR compliant products and taking advantage of the power-
management features of your computer, you reduce the consumption of electricity. 
Reduced electrical consumption contributes to potential financial sayings, a cleaner 
environment, and the reduction of greenhouse gas emissions.
For more information about ENERGY STAR, go to: http://www.energystar.gov
Lenovo encourages you to make efficient use of energy an integral part of your 
day-to-day operations. To help in this endeavor, Lenovo has preset the following 
power-management features to take effect when your computer has been inactive 
for a specified duration:
ENERGY STAR power-management features, by operating system
Microsoft Windows XP
Microsoft Windows Vista and 
Windows 7
•  Turn off monitor: After 15 minutes
•  Turn off hard disk drives: Never
•  System standby: After 20 minutes
•  System hibernates: Never
Power plan: Balanced
•  Turn off the display: After 10 minutes
•  Put the computer to sleep: After
25 minutes
•  Advanced power settings:
-  Turn off hard disk drives: After 
20 minutes
-  Hibernate: Never
To awaken your computer from a Sleep or System Standby mode, press any 
key on your keyboard. For more information about these settings, refer to your 
Windows Help and Support information system.