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staff, saving energy, windows power options

Instructions to re-configure Windows Power Options

Windows & other Intel-based operating systems use the Advanced Configuration and Power Interface (ACPI) specification http://www.acpi.info/ to manage the power consumption of the computer hardware and to determine which applications are active on compatible systems.

Using Windows Power Options, you can reduce the power consumption of your computer system. You do this by choosing a power scheme to manage the energy usage of your computer.

• Put the computer on standby (a low-power state) when it is idle. When you want to use the computer again, it comes out of standby quickly.  Standby does not save your desktop state to disk; a power failure while on Standby can cause you to lose unsaved information.
  
• Put your computer in hibernation (a very low-power state) when you will be away from the computer for an extended time or overnight. When you restart the computer, your desktop is restored exactly as you left it.  It takes slightly longer to bring your computer out of hibernation than out of standby.
  

Windows XP & Windows 2000

To configure the Power Options, right-click on your desktop and select Properties. 

The Display Properties panel will appear. Click on the tab Screen Saver.

On the Screen Saver tab, you can best select the Blank screen saver. Blanking the screen actually deactivates the monitor signal, so it really saves your screen, to avoid the use of fancy screen savers.
 

Click on the Power... button next to the Energy Star logo to set the power saving options.
The Power Options panel appears. Here you can select a power scheme, or you can adjust the settings to your own preference - example shown below.

Laptop computers have more options for Running on batteries:

Select the Advanced tab. Set the computer response when pressing the power or sleep buttons (if available on your computer).

With laptop computers there is an extra setting when closing the lid:

Note: Stand by does not save your desktop state to disk; a power failure while on Stand by can cause you to lose unsaved information.  To restart the computer move the mouse or press any key on the keyboard.  It is faster to bring your computer out of Stand by than out of Hibernate.

Finally, on the Hibernate tab, you can activate hibernation.

Note: Not all software, notably demanding graphics software (CAD, games, etc.), support hibernating equally well. So, if you experience any problems, disable this option

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