Batteries and Power Management
Managing Power Consumption
Managing Power Consumption
When you are running your notebook on battery power, you can maximize operating time without compromising performance. Your notebook is designed to help you reduce power consumption and extend battery life.
During idle periods, the notebook automatically enters
How the notebook manages power automatically
Your notebook enters Hibernation and Standby automatically, and turns off the hard drive and display based on values set in Windows.
When this occurs | The result is | To resume |
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No keyboard, pointing device, or other | Display turns off. | Briefly press any key or |
input activity occurs for the specified | Turns off the display to | move a pointing device to |
interval | conserve battery power and | turn on the display. |
| extend the life of the display. |
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The hard drive is not accessed for a | Hard drive turns off. | Begin using the |
specified interval | This is usually set to occur | notebook, and the hard |
| shortly after the display is | drive turns on. |
| turned off. |
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No pointing devices are used, no disk | Standby is initiated. | Briefly press the power |
drive is accessed, and no port (serial, | Maintains your current | button to return to your |
parallel, or infrared) is active for the | session in RAM, and turns off | current session. |
specified interval | the display and other |
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| components to conserve |
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| battery power. |
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The notebook stays in Standby for the | Hibernation is initiated. | Press the power button to |
specified interval | Saves your current session | return to your previous |
| to the hard drive, and turns | session. |
| off the notebook. |
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CAUTION | Make a habit of saving your work before allowing your notebook to enter |
| Standby. If power is interrupted while the notebook is in Standby, any |
| information that was not saved will be lost. |
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30 Reference Guide