If the current setting for the Start Menu power button do not meet your needs, you can easily change it (to sleep, hibernate, or shutdown) by following these instructions:

Even though the Zune HD has a power button, simply pressing it will not turn the device off. To turn off your Zune HD and preserve your battery, follow these steps.

By running a Power Efficiency Diagnostics Report, you can view an analysis of your system and check common energy efficiency and battery life problems as well as check for errors and warnings for your power setup and hardware.

If you want to conserve battery power, you can set your BlackBerry to turn off and on at set times by using the Auto On/Off function. I set mine to turn off at my bedtime and turn back on right before I am to awake so that it’s ready to go.

Instead of using the GUI (Control Panel | Power Options | Power Plan) to enable or disable Hibernate, you can do this from the command line.

By using Ubuntu’s Power Management Preferences, you can set your laptop to either enter a Suspended state (also known as ACPI sleep) or go into hibernate mode. The Suspend setting is good for short periods of inactivity (or while you are plugged in) since it does use a small amount of power, while the Hibernate […]

Depending on your video card, some sleep states may not be available on your computer. You can see what states are available as well as what states are unavailable and why. This is done by using the command-line utility, powercfg. Here’s how:

If the current setting for the Start Menu power button do not meet your needs, you can easily change it (to sleep, hibernate, or shutdown) by following these instructions:

If you have used the Disk Cleanup Utility and utilized it to clear the hibernation file, you may be surprised to find that the Hibernate option is no longer available. You can restore the hibernate option by following these instructions:

Hibernation does not make sense for a lot of desktop systems but it is perfect for systems such as notebooks. Here is how to turn hibernation on or off in your XP system.

This tutorial describes how to create a shortcut to place your computer straight into suspend mode.