Dell Inspiron 14R (N4010, Early 2010) - Manual (Page 138)

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Power (Power Settings, Power Protection Devices, and Batteries)
• Power Meter — view the available battery power (laptop computers)
• Advanced — select options for advanced power settings
• Hibernate — select to enable or disable hibernation
Power Management Modes
Standby Mode
Standby conserves power by turning off the display and the hard drive after a
predetermined period of inactivity (a time-out). When the computer exits
standby, it returns to the same operating state it was in before entering
standby.
NOTICE:
If your computer loses AC and battery power while in standby, it may lose
data.
To enter standby:
• Click Start → Turn off computer→ Stand by.
OR
• Depending on how you set the power management options, you may also
use one of the following methods:
• Press the power button.
• Close the display for a notebook computer.
• Press .
To exit standby, depending on how you set the power management options:
• Press the power button.
OR
• Open the display for a notebook computer.
FOR MORE INFORMATION: To learn more about configuring power
option settings in Windows, see Windows Help and Support: click
Start
or → Help and Support.