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Note: If your computer enters sleep or hibernation mode when the battery is low, but the alarm message
has not yet been displayed, the message will be displayed when the computer resumes. To resume normal
operation, when the message is displayed, click OK.
Charging the batteries
It is recommended that you charge the battery or replace it with a charged battery when the battery power
remaining is low. For example:
• When you find that the percentage of the remaining power is low
• When the power alarm alerts you
If an ac outlet is convenient, plug the ac power adapter into the outlet, and then plug it into ac power
connector of the computer. Depending on the battery size and the physical environment, the battery will
be fully charged in about three to six hours. The battery-status indicator helps you identify that the battery
is charging, and also notifies you when the battery is fully charged.
Note: To maximize the life of the battery, the computer does not start recharging the battery if the remaining
power is greater than 95%.
Maximizing the battery life
To maximize the life of the battery, do the following:
• Use the battery until the charge is completely depleted; that is, use the battery until the battery status
indicator starts blinking orange.
• Recharge the battery completely before using it. The battery is fully charged if the battery indicator shows
green when the ac power adapter is plugged in.
• Always use power management features such as power-saving modes.
Managing the battery power
To achieve the best balance between performance and power saving, adjust your power plan settings.
To access power plan settings, do the following:
1. Go to Control Panel, 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 about the Power Manager program, refer to the help information system.
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 solid-state drive, hard disk drive, or hybrid
drive, and the computer display are turned off. When your computer wakes up, your work is restored
within seconds.
.
Chapter 2
Using your computer
31
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