Lenovo B4400 Hardware Maintenance Manual - Page 29

Power management, Screen blank mode, Shutting down the computer

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Related service information Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank mode If the time set on the "Turn off monitor" timer in the operating system expires, the LCD backlight turns off. You can also turn off the LCD backlight by pressing Fn+F2. To end screen blank mode and resume normal operation, press any key. Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down the computer, do the following: • Windows 7: Click Start → Shut down. • Windows 8.1: 1.Open the charms bar, then select Settings . 2.Select Power → Shut down. 25

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Related service information
25
Note:
Power management modes are not supported for APM operating system.
To reduce power consumption, the computer has three power management
modes: screen blank, sleep (standby), and hibernation.
Screen blank mode
If the time set on the “Turn off monitor” timer in the operating system expires,
the LCD backlight turns off. You can also turn off the LCD backlight by pressing
Fn+F2.
To end screen blank mode and resume normal operation, press any key.
Shutting down the computer
If you are not going to use your computer for a long time, shut it down.
To shut down the computer, do the following:
•
Windows 7
:
Click
Start
→
Shut down
.
•
Windows 8.1
:
1.Open the charms bar, then select
Settings
.
2.Select
Power
→
Shut down
.
Power management