PostPoints tip: Laptop battery defaults can be at fault
Your laptop's default power-management settings may make you take extra steps to put the computer in sleep mode or wake it up, wasting battery life and your time in the process. To check your PC's manufacturer's choices (Apple's Mac laptops come with correct defaults), right-click the battery-gauge icon at the bottom right corner of the screen. In Windows XP, select "Adjust Power Properties"; in Windows Vista or 7, select "Power Options" and click the "Change plan settings" next to the selected power-management plan. Your laptop should be set to have a reasonably small amount of time before turning off its monitor, spinning down its hard disk and going into standby mode when on battery--say, 5, 10 and 15 minutes--with about double those times when it's plugged in. Then click the XP Power Options window's "Advanced" tab or click the "Change advanced power settings" link in Vista and 7's "Edit Plan Settings" window to adjust how it responds to your closing its lid or pressing its power button; in each case, it should go into sleep/standby mode instead of hibernating or shutting down.
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