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Power management, Screen blank mode, Sleep (standby) mode – Lenovo Yoga 11s Notebook IdeaPad User Manual

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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.

To end screen blank mode and resume normal operation, press any key.

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:
• Close the display panel.
• 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.

• If the battery indicator is amber, indicating that the battery power is low.

To cause the computer to return from sleep (standby) mode and resume the

operation, do one of the following:
• Press the Fn key.
• Press the power button.
• Press the Windows 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.