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 automatically enters Hibernation and Standby, 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. | Press any key or move a |
input activity occurs for the specified | Turns off the display to | pointing device to turn on |
interval | conserve battery power and | 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 notebook, |
specified interval | This is usually set to occur | and the hard drive turns on. |
| shortly after the display is |
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| 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 session | button to return to your |
parallel, or infrared) is active for the | in RAM, and turns off the | current session. |
specified interval | display and other components |
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| to conserve battery power. |
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The notebook stays in Standby for the | Hibernation is initiated. | Briefly press the power |
specified interval | Saves your current session to | button to return to your |
| the hard drive, and turns off the | previous session. |
| 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