5 Power management

 

Setting power options

60

Using power-saving states

60

Initiating and exiting Sleep

60

Initiating and exiting Hibernation

61

Using the battery meter

61

Using power plans

61

Viewing the current power plan

62

Selecting a different power plan

62

Customizing power plans

62

Setting password protection on wakeup

62

Using Power Assistant (select models only)

63

Starting Power Assistant

63

Using external AC power

63

Connecting the AC adapter

64

Using battery power

64

Finding battery information in Help and Support

65

Using Battery Check

65

Displaying the remaining battery charge

65

Inserting or removing the battery

65

Charging a battery

66

Maximizing battery discharge time

67

Managing low battery levels

67

Identifying low battery levels

68

Resolving a low battery level

68

Resolving a low battery level when external power is available

68

Resolving a low battery level when a charged battery is

 

available

68

Resolving a low battery level when no power source is

 

available

68

Resolving a low battery level when the computer cannot exit

 

Hibernation

68

Calibrating a battery

69

Step 1: Fully charge the battery

69

Step 2: Disable Hibernation and Sleep

69

Step 3: Discharge the battery

70

Step 4: Fully recharge the battery

70

Step 5: Reenable Hibernation and Sleep

70

Conserving battery power

71

Storing a battery

71

Disposing of a used battery

71

Replacing the battery

71

Testing an AC adapter

73

Shutting down the computer

73

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HP 8440P manual Power management