HP ZBook 15u G3 Mobile Workstation (ENERGY STAR) Bedienungsanleitung PDF herunterladen (Seite 49)

6 Power management

NOTE: A computer may have a power button or a power switch. The term power button is used throughout

this guide to mean both types of power controls.

Shutting down the computer

CAUTION: Unsaved information is lost when the computer shuts down.

The shutdown command closes all open programs, including the operating system, and then turns o the

display and computer.

Shut down the computer under any of the following conditions:

●

When you need to replace the battery or access components inside the computer

●

When you are connecting an external hardware device that does not connect to a Universal Serial Bus

(USB) port

●

When the computer will be unused and disconnected from external power for an extended period

Although you can turn o the computer with the power button, the recommended procedure is to use the

Windows shutdown command:

NOTE: If the computer is in the Sleep state or in Hibernation, you must rst exit Sleep or Hibernation before

shutdown is possible by briey pressing the power button.

1. Save your work and close all open programs.

2. Select Start > Shut Down.

If the computer is unresponsive and you are unable to use the preceding shutdown procedure, try the

following emergency procedures in the sequence provided:

●

Press ctrl+alt+delete. Click the Power icon, and then click Shut Down.

●

Press and hold the power button for at least 5 seconds.

●

Disconnect the computer from external power.

●

On models with a user-replaceable battery, remove the battery.

Setting power options

Using power-saving states

Sleep is enabled at the factory.

When Sleep is initiated, the power lights blink and the screen clears. Your work is saved to memory.

CAUTION: To reduce the risk of possible audio and video degradation, loss of audio or video playback

functionality, or loss of information, do not initiate Sleep while reading from or writing to a disc or an external

memory card.

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HP ZBook 15u G3 Mobile Workstation (ENERGY STAR) Bedienungsanleitung Seite 49