Lenovo M4400s notebook - Manual (Page 29)

– If the battery meter at the bottom of your display indicates a low battery charge level
– If the battery has not been used for a long time
Charging the battery
It is recommended that you charge the battery or replace it with a charged battery on any of the following
conditions:
• The percentage of battery power remaining is low.
• The power alarm alerts you that the remaining power is low.
Maximizing the battery life
To maximize the battery life, do the following:
• Use the battery until the charge is depleted; that is, use the battery until the battery status indicator
starts blinking orange.
• Fully recharge the battery before using it. The battery is fully charged if the battery indicator shows solid
green when the ac power adapter is plugged in.
• Always use power management features such as power modes, sleep, and hibernation.
Power-saving modes
There are several modes that you can use to conserve power.
Sleep mode
If you are not going to use the computer for a short time, put the computer into sleep mode. This helps
you conserve power, but also provides you the convenience to bypass the startup process and directly
resume the computer for normal operation.
To put the computer into sleep mode, do one of the following:
• Windows 7:
1. Click Start.
2. Click the triangle mark next to the Shut down button, and then select Sleep.
Windows 8:
1. Move the cursor to the top-right or bottom-right corner of the screen to display the charms.
2. Click Settings.
3. Select Sleep from the Power menu options.
• Press Fn+F1.
Attention: Do not move the computer while it is entering sleep mode. During this period, the hard disk
drive is spinning. Moving the computer while the hard disk drive is spinning can damage the hard disk
drive, causing loss of data.
To wake up the computer, do one of the following:
• Press the power button.
• Press the Fn key on the keyboard.
Chapter 2 . Using your computer 15