HP ZBook 15 Base Model Mobile Workstation Bedienungsanleitung PDF herunterladen (Seite 44)

Resolving a low battery level

Resolving a low battery level when external power is available

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Connect the computer to external power using 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 a charged battery is available

1. Turn off the computer or initiate Hibernation.

2. Replace the discharged battery with a charged battery.

3. Turn on the computer.

Resolving a low battery level when no power source is available

● Initiate Hibernation.

●

Save your work and shut down the computer.

Resolving a low battery level when the computer cannot exit Hibernation

When the computer lacks sufficient power to exit Hibernation, follow these steps:

1. Replace the discharged battery with a charged battery, or connect the AC adapter to the

computer and to external power.

2. Exit Hibernation by briefly pressing the power button.

Conserving battery power

● Turn off wireless and local area network (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 media cards that you are not using.

●

Decrease display brightness.

●

Initiate Suspend or Hibernation, or shut down the computer when you are not using it.

Storing a battery

CAUTION: To reduce the risk of damage to a battery, do not expose it to high temperatures for

extended periods of time.

If a computer will be unused and unplugged from external power for more than 2 weeks, remove the

battery and store it separately.

To prolong the charge of a stored battery, place it in a cool, dry place.

NOTE: A stored battery should be checked every 6 months. If the capacity is less than 50 percent,

recharge the battery before returning it to storage.

Calibrate a battery before using it if it has been stored for one month or more.

34 Chapter 6 Power management

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HP ZBook 15 Base Model Mobile Workstation Bedienungsanleitung Seite 44