HP Presario CQ57-200 HP Notebook Reference Guide - Windows 7 - Page 33

Initiating and exiting Hibernation, Using the power meter, Using power plans - not charging

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When the computer exits Sleep, the power lights turn on and your work returns to the screen where you stopped working. NOTE: If you have set a password to be required on wakeup, you must enter your Windows password before your work will return to the screen. Initiating and exiting Hibernation The system is set at the factory to initiate Hibernation after a period of inactivity when running on battery power or on external power, or when the battery reaches a critical battery level. Power settings and timeouts can be changed in Windows Control Panel. To initiate Hibernation: ▲ Windows 7-Select Start, click the arrow next to the Shut down button, and then click Hibernate. Windows XP-Select Start > Turn Off Computer, and then hold down the shift key and select Hibernate. To exit Hibernation: ▲ Briefly press the power button. The power lights turn on and your work returns to the screen where you stopped working. NOTE: If you have set a password to be required on wakeup, you must enter your Windows password before your work will return to the screen. Using the power meter The power meter is located in the notification area, at the far right of the taskbar. The power meter allows you to quickly access power settings and view the remaining battery charge. ● To display the percentage of remaining battery charge and the current power plan (or power scheme in Windows XP), move the pointer over the power meter icon. ● To access Power Options, or to change the power plan, click the power meter icon and select an item from the list. Different power meter icons indicate whether the computer is running on battery or external power. The icon also displays a message if the battery has reached a low or critical battery level. Using power plans A power plan (or power scheme in Windows XP) is a collection of system settings that manages how the computer uses power. Power plans can help you conserve power or maximize performance. Viewing the current power plan Use any of the following methods: ● Click the power meter icon in the notification area, at the far right of the taskbar. ● Windows 7-Select Start > Control Panel > System and Security > Power Options. Setting power options 23

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When the computer exits Sleep, the power lights turn on and your work returns to the screen where
you stopped working.
NOTE:
If you have set a password to be required on wakeup, you must enter your Windows
password before your work will return to the screen.
Initiating and exiting Hibernation
The system is set at the factory to initiate Hibernation after a period of inactivity when running on
battery power or on external power, or when the battery reaches a critical battery level.
Power settings and timeouts can be changed in Windows Control Panel.
To initiate Hibernation:
Windows 7
—Select
Start
, click the arrow next to the Shut down button, and then click
Hibernate
.
Windows XP
—Select
Start
>
Turn Off Computer
, and then hold down the
shift
key and select
Hibernate
.
To exit Hibernation:
Briefly press the power button.
The power lights turn on and your work returns to the screen where you stopped working.
NOTE:
If you have set a password to be required on wakeup, you must enter your Windows
password before your work will return to the screen.
Using the power meter
The power meter is located in the notification area, at the far right of the taskbar. The power meter
allows you to quickly access power settings and view the remaining battery charge.
To display the percentage of remaining battery charge and the current power plan (or power
scheme in Windows XP), move the pointer over the power meter icon.
To access Power Options, or to change the power plan, click the power meter icon and select an
item from the list.
Different power meter icons indicate whether the computer is running on battery or external power.
The icon also displays a message if the battery has reached a low or critical battery level.
Using power plans
A power plan (or power scheme in Windows XP) is a collection of system settings that manages how
the computer uses power. Power plans can help you conserve power or maximize performance.
Viewing the current power plan
Use any of the following methods:
Click the power meter icon in the notification area, at the far right of the taskbar.
Windows 7
—Select
Start
>
Control Panel
>
System and Security
>
Power Options
.
Setting power options
23