Turn off display after (minutes)

Specifies the length of time, in minutes, that the computer must be inactive before the display is turned off.

Note
Specify a value of 0 if you do not want power management to turn off the display.

Sleep after (minutes)

Specifies the length of time, in minutes, that the computer must be inactive before it enters sleep.

Note
Specify a value of 0 if you do not want power management to enter sleep on the computer.

Require a password on wakeup

Specifies whether a password is required to unlock the computer when it enters wake from sleep.

• Yes
  
  
• No
  
  

Note
Computers that are running Windows XP with this setting configured as Yes for On battery or Plugged in require a password on wakeup whether or not they are using battery power.

Power button action

Specifies the action that is taken when the computer’s power button is pressed. Possible values include the following:

• Do nothing
  
  
• Sleep
  
  
• Hibernate
  
  
• Shut down
  
  

Note
On computers that are running Windows XP, the value specified for On battery is applied, whether the computer is running on battery or is plugged in. On this version of Windows, select the Hibernate setting to enable entering hibernate on the computer.

Start menu power button

Specifies the action that occurs when you press the computer’s Start menu power button. Possible values include the following:

• Sleep
  
  
• Hibernate
  
  
• Shut down
  
  

Note
This setting is only applicable on computers running Windows Vista.

Sleep button action

Specifies the action that occurs when you press the computer’s Sleep button. Possible values include the following:

• Do nothing
  
  
• Sleep
  
  
• Hibernate
  
  
• Shut down
  
  

Note
On computers that are running Windows XP, the value specified for On battery is applied, whether the computer is running on battery or is plugged in. On this version of Windows, select the Hibernate setting to enable entering hibernate on the computer.

Lid close action

Specifies the action that occurs when the user closes the lid of a portable computer. Possible values include the following:

• Do nothing
  
  
• Sleep
  
  
• Hibernate
  
  
• Shut down
  
  

Note

On computers that are running Windows XP, the value specified for On battery is applied, whether the computer is running on battery or is plugged in. On these versions of Windows, the Shut down option is not implemented. If you select the Shut down option, the current lid close action setting on the computer will not be changed. On this version of Windows, select the Hibernate setting to enable entering hibernate on the computer.

Turn off hard disk after (minutes)

Specifies the length of time, in minutes, that the computer’s hard disk must be inactive before it is turned off.

Note
Specify a value of 0 if you do not want power management to turn off the computer’s hard disk.

Hibernate after (minutes)

Specifies the length of time, in minutes, that the computer must be inactive before it enters hibernate.

Note
Specify a value of 0 if you do not want power management to enter hibernate on the computer.

Low battery action

Specifies the action that occurs when the computer’s battery reaches the specified low battery notification level. Possible values include the following:

• Do nothing
  
  
• Sleep
  
  
• Hibernate
  
  
• Shut down
  
  

Note
On computers that are running Windows XP, the value specified for On battery is applied, whether the computer is running on battery or is plugged in. On this version of Windows, select the Hibernate setting to enable entering hibernate on the computer.

Critical battery action

Specifies the action that is taken when the computer’s battery reaches the specified critical battery notification level. Possible values include the following:

• Do nothing – This option is not available for the On battery setting.
  
  
• Sleep
  
  
• Hibernate
  
  
• Shut down
  
  

Note
On computers that are running Windows XP, the value specified for On battery is applied, whether the computer is running on battery or is plugged in. On this version of Windows, select the Hibernate setting to enable entering hibernate on the computer.

Allow hybrid sleep

Specifies whether Windows saves a hibernation file when entering sleep, which can be used to restore the computer's state in the event of power loss while it has entered sleep.

• On
  
  
• Off
  
  

Note
Hybrid sleep is designed for desktop computers and, by default, is not enabled on portable computers. On computers that are running Windows 7, enabling hybrid sleep disables the hibernate functionality.This setting is not supported on computers running Windows XP.

Allow standby state when sleeping action

Enables the computer to be on standby, which still consumes some power, but enables the computer to wake faster. Possible values are:

• On
  
  
• Off
  
  

Note
If this setting is set to Off, the computer can only hibernate or turn off. The Off setting is not supported on computers running Windows XP.

Required idleness to sleep (%)

Specifies the percentage of idle time on the computer processor time required for the computer to enter sleep.

Note
This setting only applies to computers that are running Windows Vista. On computers that are running Windows 7, this value is always set to 0.

Enable Windows wake up timer for desktop computers

Enables the built-in Windows timer which can be used by power management to wake a desktop computer. When a desktop computer is woken using the Windows wake up timer, it will remain awake for 10 minutes by default to allow time for the computer to install any updates or to receive policy. Possible values are:

• Enable
  
  
• Disable
  
  

Important
Wakeup timers are not supported on portable computers to prevent scenarios in which they might wake when they are not plugged in.The Disable setting is not supported on computers running Windows XP.