When the computer exits Sleep, the power lights illuminate, and you return to the screen where you
entered Sleep.
NOTE: If a password is required when exiting Sleep, enter your Windows password at the prompt.
Initiating and exiting Hibernation
Hibernation initiates after 1,080 minutes (18 hours) of inactivity when running on both battery power and
external power, or when the battery reaches a critical battery level.
Power settings and timeouts are changed using Power Options in Windows Control Panel.
To initiate Hibernation, click Start, click the arrow next to the Shut down button, and then click
Hibernate.
To exit Hibernation, press the Power button. The power lights illuminate, and you return to the screen
where you entered Hibernation.
NOTE: If a password is required when exiting Hibernation, enter your Windows password at the
prompt.
Using the battery meter
The battery meter is located in the notification area at the far right of the taskbar. The battery meter
allows you to quickly access power settings, view remaining battery charge, and select a different power
plan.
●
To display the percentage of remaining battery charge and the current power plan, move the pointer
over the battery meter icon.
●
To access Power Options or to change the power plan, click the Battery Meter icon, and then select
an item from the list.
Different Battery Meter icons indicate whether the computer is running on battery or external power. The
icons also display a message if the battery has reached a low battery level, critical battery level, or
reserve battery level.
To hide or display the battery meter icon:
1. Right-click the Show hidden icons icon, which is the arrow at the left side of the notification area.
2. Click Customize notification icons.
3. Under the Behaviors column, select Show icons and notifications for the Power icon.
4. Click OK.
Using power plans
A power plan is a collection of system settings that manages how the computer uses power. Power
plans can help you conserve power or maximize performance.
You can change power plan settings or create your own power plan.
44 Chapter 6 Power management
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