HP ProBook 4525s - Notebook PC Reference Guide

Using external AC power
NOTE: For information on connecting to AC power, refer to the Quick Setup poster provided in the
computer box.
External AC power is supplied through an approved AC adapter or an optional docking or expansion
device.
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.
Connect the computer to external AC power under any of the following conditions:
WARNING! Do not charge the computer battery while you are onboard aircraft.
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When charging or calibrating a battery
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When installing or modifying system software
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When writing information to a CD, a DVD, or a BD (select models only)
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When running Disk Defragmenter
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When performing a backup or recovery
When you connect the computer to external AC power, the following events occur:
●
The battery begins to charge.
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If the computer is turned on, the power meter icon in the notification area changes appearance.
When you disconnect external AC power, the following events occur:
●
The computer switches to battery power.
●
The display brightness is automatically decreased to save battery life.
30 Chapter 4 Power management

HP ProBook 4525s - Notebook PC Specifications

General

Chipset	AMD M880G
Memory	Up to 8 GB DDR3
Graphics	ATI Mobility Radeon HD 4250
Operating System	Windows 7 Professional
Wireless	802.11b/g/n
Webcam	2 MP webcam
Processor	AMD Turion II Dual-Core Mobile Processor, AMD Athlon II Dual-Core Processor
Display	15.6-inch diagonal LED-backlit HD anti-glare
Storage	320 GB
Optical Drive	DVD+/-RW SuperMulti DL LightScribe
Battery	6-cell Lithium-Ion
Bluetooth	Yes
Audio	Integrated stereo speakers
Ports	3 USB 2.0