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Ordinateurs portables - ThinkPad X131e (3367) (592.73 kb)
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• Before you charge the battery, make sure that its temperature is at least 10°C (50°F). • You can charge the battery when the ac power adapter is connected to the computer and the battery is installed. You need to charge it in any of the following conditions: – When you purchase a new battery – If the battery meter at the bottom of your display shows the battery charge is low – If the battery has not been used for a long time Charging the battery When you check battery status and find that the percentage of power remaining is low or when the power alarm alerts you that the remaining power is low, you need to charge your battery or replace it with a charged battery. If an ac outlet is convenient, plug the ac power adapter into it, and then insert the jack into the computer. The battery will be fully charged in about 3 to 6 hours. This is affected by the battery size and the physical environment. The battery status indicator will let you know that the battery is charging, and will also notify you when the battery is fully charged. Note: To increase 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: Chapter 2. Using your computer 27 • 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 modes, screen blank, sleep, and hibernation. 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: • For Windows 7: Start the Power Manager program and then click the Power Plan tab. For instructions on how to start the Power Manager program, see “Accessing Lenovo programs on the Windows 7 operating system” on page 13. • For Windows 8: Right-click the battery status icon from the Windows notification area and click Power Options. Then click Change plan settings that is next to your power plan. For more information, refer to the help information system of the program. Power-saving modes There are several power-saving modes that you can use at any time to conserve power. This section introduces each mode and gives tips on the effective use of the battery power. Introducing the power-saving modes • Screen blank (for the Windows 7 operating system only) The computer display requires considerable battery power. To turn off power to the display, do the following: 1. Right-click the Power Manager battery gauge on the task bar. 2. Select Power off display. • Sleep In sleep mode, your work is saved to memory, and then the solid-state drive or the hard disk drive 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+F4. To return from sleep mode, press Fn key. Depending on the computer model, your computer might support the 30 Day Standby function. When this function is enabled, the computer consumes even less power in sleep mode and takes only seconds to resume normal operation when you press the power button. For more information about the 30 Day Standby function, do the following: – For Windows 7: Refer to the help information system of the Power Manager program. For instructions on how to start the Power Manager program, see “Accessing Lenovo programs on the Windows 7 operating system” on page 13. – For Windows 8: Open the Lenovo Settings program and click Power. • Hibernation By using this mode, you can turn off your computer completely without saving files or exiting from any programs that are running. When the computer enters hibernation, all open programs, folders, and files are saved to the hard disk, and then the computer turns off. To put the computer into hibernation mode, change your power plan settings. To access power plan settings, do the following: – For Windows 7: Start the Power Manager program and then click the Power Plan tab. For instructions on how to start the Power Manager program, see “Accessing Lenovo programs on the Windows 7 operating system” on page 13. 28 User Guide – For Windows 8: Right-click the battery status icon from the Windows notification area and click Power Options. Then click Change plan settings that is next to your power plan. • Wireless off When you are not using the wireless features, such as Bluetooth or wireless LAN, turn them off. This will help conserve power. To turn off the wireless features, press Fn+F5 or use the wireless radio switch. Enabling the wakeup function If you put your computer into hibernation mode, and the wakeup function is disabled (this is the default setting), the computer does not consume any power. If th...
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