Tips for maximizing battery discharge time:
●
Lower the brightness on the display.
●
Select the Power saver setting in Power Options.
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 Options. Preferences set using Power
Options do not affect lights.
Type
power options
in the taskbar search box, and then select Power Options.
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:
●
The battery light (select products only) indicates a low or critical battery level.
– or –
●
The Power meter icon
shows a low or critical battery notification.
If the computer is on or in the Sleep state, the computer remains briefly in the Sleep state and then shuts
down and loses any unsaved information.
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 the Power saver setting in Power Options.
●
Turn off 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.
ENWW
Setting power options
37
Summary of Contents for EliteBook 820 G4
Page 1: ...User Guide ...
Page 4: ...iv Safety warning notice ENWW ...
Page 6: ...vi Processor configuration setting select products only ENWW ...
Page 12: ...xii ENWW ...