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HP ProBook 4525s - Notebook PC Reference Guide

HP ProBook 4525s - Notebook PC
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Setting power options
Using power-saving states
The computer has two power-saving states that are enabled at the factory: Sleep and Hibernation.
When Sleep is initiated, the power lights blink and the screen clears. Your work is saved to memory,
letting you exit Sleep faster than exiting Hibernation. If the computer is in the Sleep state for an extended
period or if the battery reaches a critical battery level while in the Sleep state, the computer initiates
Hibernation.
When Hibernation is initiated, your work is saved to a hibernation file on the hard drive and the computer
turns off.
CAUTION: To reduce the risk of possible audio and video degradation, loss of audio or video playback
functionality, or loss of information, do not initiate Sleep or Hibernation while reading from or writing to
a disc or an external media card.
NOTE: You cannot initiate any type of networking connection or perform any computer functions while
the computer is in the Sleep state or in Hibernation.
Initiating and exiting Sleep
The system is set at the factory to initiate Sleep after a period of inactivity when running on battery power
or on external power.
Power settings and timeouts can be changed using Power Options in Windows Control Panel.
With the computer on, you can initiate Sleep in any of the following ways:
Briefly press the power button.
Close the display.
Windows 7—Select Start, click the arrow next to the Shut down button, and then click Sleep.
Windows Vista—Select Start, click the arrow next to the Lock button, and then click Sleep.
Windows XP—Select Start > Turn Off Computer > Stand By.
To exit Sleep:
Briefly press the power button.
If the display is closed, open the display.
Press a key on the keyboard.
Tap or swipe the TouchPad.
When the computer exits Sleep, the power lights turn on and your work returns to the screen as it was
before you stopped working.
NOTE: If you have set a password to be required on wakeup, you must enter your Windows password
before your work will return to the screen.
Initiating and exiting Hibernation
The system is set at the factory to initiate Hibernation after a period of inactivity when running on battery
power or on external power, or when the battery reaches a critical battery level.
Power settings and timeouts can be changed in Windows Control Panel.
22 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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