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 power-saving modes after specified timeout periods. You can adjust these timeouts to suit your working habits.

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

 

 

 

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.

 

 

 

 

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

 

 

turned off.

 

 

 

 

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

 

 

to conserve battery power.

 

 

 

 

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.

 

 

 

 

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.

 

 

30 Reference Guide

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HP 2162AE, 2500, 2186AF, 2183AF, 2182US, 2182AT, 2509 Managing Power Consumption, How the notebook manages power automatically

2547EA, 2552AI, 2541AH, 2543AH, 2542EA specifications

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