HP ZBook 15u G3 Mobile Workstation (ENERGY STAR) Manuel d'utilisateur télécharger pdf (Page 53)

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Resolving a low battery level

Resolving a low battery level when external power is available

▲

Connect one of the following devices:

●

AC adapter

●

Optional docking or expansion device

●

Optional power adapter purchased as an accessory from HP

Resolving a low battery level when no power source is available

To resolve a low battery level when no power source is available, save your work and shut down the

computer.

Conserving battery power

●

Select low power-use settings through Power Options in Windows Control Panel.

●

Turn o wireless and LAN connections and exit modem applications when you are not using them.

●

Disconnect unused external devices that are not plugged into an external power source.

●

Stop, disable, or remove any external memory cards that you are not using.

●

Decrease screen brightness.

●

Before you leave your work, initiate Sleep, or shut down the computer.

Using external AC power

WARNING! Do not charge the computer battery while you are onboard aircraft.

WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer, a

replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.

NOTE: For information on connecting to AC power, see the Setup Instructions poster provided in the

computer box.

External AC power is supplied through an approved AC adapter or an optional docking or expansion device.

Connect the computer to external AC power under any of the following conditions:

●

When charging or calibrating a battery

●

When installing or modifying system software

●

When writing information to a CD, a DVD, or a BD (select models only)

●

When running Disk Defragmenter

●

When performing a backup or recovery

When you connect the computer to external AC power, the following events occur:

●

The battery begins to charge.

●

If the computer is turned on, the power meter icon in the notication area changes appearance.

When you disconnect external AC power, the following events occur:

Setting power options 43

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HP ZBook 15u G3 Mobile Workstation (ENERGY STAR) Manuel d'utilisateur Page 53

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