HP ZBook 15 Base Model Mobile Workstation User Manual download pdf (Page 43)

To prolong battery life and optimize the accuracy of battery charge displays, follow these

recommendations:

●

If you are charging a new battery, charge it fully before turning on the computer.

NOTE: If the computer is on while the battery is charging, the battery meter in the notification

area may show 100 percent charge before the battery is fully charged.

●

Allow the battery to discharge below 5 percent of a full charge through normal use before

charging it.

●

If the battery has been unused for one month or more, calibrate the battery instead of simply

charging it.

Maximizing battery life

To maximize battery life:

1. Select Computer > Control Center.

2. In the left pane, click System, and then click Power Management in the right pane.

3. On the On Battery Power tab:

●

Adjust the slider to the right of Put computer to sleep when inactive for to 30 minutes.

●

Select the Suspend or Hibernate option from the dialog box to the right of When laptop

lid is closed.

●

Select the Hibernate or Shutdown option from the dialog box to the right of When battery

power is critically low.

4. Adjust the slider to the right of Put display to sleep when inactive for to 15 minutes, and select

the check box next to Reduce backlight brightness.

5. Select the check box next to Dim display when idle.

6. Click Close.

CAUTION: Removing a battery that is the sole power source for the computer can cause loss of

information. To prevent loss of information, save your work and initiate Hibernation or shut down the

computer before removing the battery.

Managing low battery levels

The information in this section describes the alerts and system responses set at the factory. Some

low-battery alerts and system responses can be changed using Power Management in Control

Center. Preferences set using Power Management do not affect lights.

Identifying low battery levels

When a battery that is the sole power source for the computer reaches a low or critical battery level,

the following behavior occurs:

●

If Hibernation is enabled and the computer is on or in Suspend, the computer initiates

Hibernation.

●

If Hibernation is disabled and the computer is on or in Suspend, the computer remains briefly in

Suspend, and then shuts down and loses any unsaved information.

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HP ZBook 15 Base Model Mobile Workstation User Manual Page 43

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