6 Managing power
Your computer can operate on either battery power or external power. When the computer is only running on battery power and an AC power source is not available to charge the battery, it is important to monitor and conserve the battery charge. Your computer supports power plans to manage how your computer uses and conserves power so that you can balance computer performance with power conservation.
Using Sleep or Hibernation
Microsoft Windows has two
NOTE: For select models, the Intel Rapid Start Technology (RST) feature is enabled at the factory. Rapid Start Technology allows your computer to resume quickly from inactivity.
Rapid Start Technology manages your
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◦After 2 hours of inactivity when the computer is running on battery or external power.
◦When the battery reaches a critical level.
After Hibernation is initiated, press the power button to resume your work.
Rapid Start Technology can be disabled in Setup Utility (BIOS).
When Sleep is initiated, the screen clears, and your work is saved to memory, allowing you to resume your work faster than when you exit Hibernation. If the computer is in the Sleep state for an extended period or if the battery reaches a critical battery level while in the Sleep state, the computer initiates Hibernation.
In the Hibernation state, your work is saved to a hibernation file on the hard drive and the computer turns off.
CAUTION: To reduce the risk of possible audio and video degradation, loss of audio or video playback functionality, or loss of information, do not initiate Sleep or Hibernation while reading from or writing to a disc or an external media card.
NOTE: You cannot initiate any type of networking connection or perform any computer functions while the computer is in the Sleep state or in Hibernation.
Using Sleep or Hibernation 41