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HP ProBook 4525s - Notebook PC Reference Guide

HP ProBook 4525s - Notebook PC
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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 in Windows Control Panel.
Preferences set using Power Options 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:
The battery light (select models only) indicates a low or critical battery level.
NOTE: For additional information about the battery light, refer to the Getting Started guide.
– or –
The power meter icon in the notification area shows a low or critical battery notification.
NOTE: For additional information about the power meter, refer to Using the power meter
on page 23.
The computer takes the following actions for a critical battery level:
If Hibernation is enabled and the computer is on or in the Sleep state, the computer initiates
Hibernation.
If Hibernation is disabled and 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 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.
28 Chapter 4 Power management

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HP ProBook 4525s - Notebook PC Specifications

General IconGeneral
ChipsetAMD M880G
MemoryUp to 8 GB DDR3
GraphicsATI Mobility Radeon HD 4250
Operating SystemWindows 7 Professional
Wireless802.11b/g/n
Webcam2 MP webcam
ProcessorAMD Turion II Dual-Core Mobile Processor, AMD Athlon II Dual-Core Processor
Display15.6-inch diagonal LED-backlit HD anti-glare
Storage320 GB
Optical DriveDVD+/-RW SuperMulti DL LightScribe
Battery6-cell Lithium-Ion
BluetoothYes
AudioIntegrated stereo speakers
Ports3 USB 2.0

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