Lenovo Miix 3-830 Hardware Maintenance Manual - Lenovo MIIX 3-830 - Page 29

Power management, Screen blank mode, Sleep (standby) mode - lcd

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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 two power management modes: screen blank, sleep (standby). Screen blank mode If the time set on the "Turn off monitor" timer in the operating system expires, the LCD backlight turns off. To end screen blank mode and resume normal operation, press the power button. Sleep (standby) mode When the computer enters sleep (standby) mode, the following events occur in addition to what occurs in screen blank mode: • The LCD is powered off. • The hard disk drive is powered off. • The CPU stops. To enter sleep (standby) mode, To put the computer to sleep, do one of the following: • Press the power button. • Open the Charms and then select Settings → Power → Sleep. In certain circumstances, the computer goes into sleep (standby) mode automatically: • If a "suspend time" has been set on the timer, and the user does not do any operation with the keyboard, the hard disk, the parallel connector, or the diskette drive within that time. To cause the computer to return from sleep (standby) mode and resume the operation, do the following: • Press the power button. Also, in the following event, the computer automatically returns from sleep (standby) mode and resumes the operation: • The time set on the resume timer elapses. Note: The computer does not accept any input immediately after it enters sleep (standby) mode. Wait a few seconds before taking any action to reenter operation mode. 25

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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 two power management
modes: screen blank, sleep (standby).
Screen blank mode
If the time set on the “Turn off monitor” timer in the operating system expires,
the LCD backlight turns off.
To end screen blank mode and resume normal operation, press the power button.
Sleep (standby) mode
When the computer enters sleep (standby) mode, the following events occur in
addition to what occurs in screen blank mode:
•
The LCD is powered off.
•
The hard disk drive is powered off.
•
The CPU stops.
To enter sleep (standby) mode, To put the computer to sleep, do one of the
following:
•
Press the power button.
•
Open the Charms and then select
Settings → Power → Sleep
.
In certain circumstances, the computer goes into sleep (standby) mode
automatically:
•
If a “suspend time” has been set on the timer, and the user does not do any
operation with the keyboard, the hard disk, the parallel connector, or the
diskette drive within that time.
To cause the computer to return from sleep (standby) mode and resume the
operation, do the following:
•
Press the power button.
Also, in the following event, the computer automatically returns from sleep
(standby) mode and resumes the operation:
•
The time set on the resume timer elapses.
Note:
The computer does not accept any input immediately after it enters
sleep (standby) mode. Wait a few seconds before taking any action to reenter
operation mode.