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If an ac outlet is convenient, plug the ac power adapter into it, and then insert the connector into the
computer. The batteries will be fully charged in about two to three hours. The charging time is affected by
the battery size and the physical environment. You can check the battery charging status at any time through
the battery-status icon in the Windows notification area.
Note: To maximize the life of the battery, the computer does not start recharging the battery if the remaining
power is greater than 95%.
Managing the battery power
To achieve the best balance between performance and power saving, adjust your power plan settings.
To adjust power plan settings, do the following:
1. Go to Control Panel, and then change the view of Control Panel from Category to Large icons or Small
icons.
2. Click Power Options.
3. Follow the instructions on the screen.
For more information, refer to the help information system of the program.
Power-saving modes
There are several modes that you can use at any time to conserve power. This section introduces each
mode and gives tips on the effective use of battery power.
• Screen blank mode (for Windows 7 only)
The computer display requires considerable battery power. To turn off the power to the display and make
the computer enter screen blank mode, right-click the battery-gauge icon in the windows notification area
and select Power off display.
• Sleep mode
In sleep mode, your work is saved to memory, and then the storage device and the computer display are
turned off. When your computer wakes up, your work is restored within seconds.
To put your computer into sleep mode, press Fn+4.
You also can put the computer into sleep mode by doing the following:
– For Windows 7: Open the Start menu and click the arrow next to the Shut down button. Click Sleep
from the menu displayed.
– For Windows 10: Open the Start menu, click
Hibernation mode
By using this mode, you can turn off your computer completely without saving files or exiting any
programs that are running. When the computer enters hibernation mode, all open programs, folders, and
files are saved to the storage devices, and then the computer turns off.
To put the computer into hibernation mode, do the following:
– For Windows 7: Open the Start menu and click the arrow next to the Shut down button. Then click
Hibernate from the menu displayed.
– For Windows 10: Define what the power button does first, then press the power button to put the
computer into hibernation mode. For more information, see "Front view" on page 1.
If you put your computer into hibernation mode with the wake-up function disabled, the computer does
not consume any power. The wake-up function is disabled by default. If you put your computer into
hibernation mode with the wake-up function enabled, the computer consumes a small amount of power.
To enable the wake-up function, do the following:
1. Go to Control Panel and click System and Security.
Power, and then click Sleep.
Chapter 2
27
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Using your computer
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