h engine crawled the Web.
The web site itself may have changed. You can check the current page or check for previous versions at the Internet Archive. Yahoo! is not affiliated with the authors of this page or responsible for its content.
Power Power
User Guide © Copyright 2006 Hewlett-Packard
Development Company, L.P.
Microsoft and Windows are U.S. registered
trademarks of Microsoft Corporation.
Bluetooth is a trademark owned by its
proprietor and used by Hewlett-Packard
Company under license.
The information contained herein is subject
to change without notice. The only
warranties for HP products and services are
set forth in the express warranty statements
accompanying such products and services.
Nothing herein should be construed as
constituting an additional warranty. HP shall
not be liable for technical or editorial errors
or omissions contained herein.
First Edition: July 2006
Document Part Number: 416616-001 Table of contents
1 Power control and light locations
2 Power sources
Connecting the AC adapter .................................................................................................................. 4
3 Standby and hibernation
Standby ................................................................................................................................................ 5
Hibernation ........................................................................................................................................... 6
Initiating standby, hibernation or shutdown .......................................................................................... 7
When you leave your work .................................................................................................. 7
When a reliable power supply is unavailable ....................................................................... 7
When using wireless communication, or readable or writable media .................................. 8
4 Power settings
Turning the computer or display on or off ............................................................................................. 9
Using emergency shutdown procedures ............................................................................................ 10
Initiating or resuming from standby .................................................................................................... 11
Initiating or restoring from hibernation ................................................................................................ 12
5 Power options
Accessing Power Options Properties ................................................................................................. 13
Displaying the Power Meter icon ........................................................................................................ 14
Setting or changing a power scheme ................................................................................................. 15
Setting a security prompt .................................................................................................................... 15
6 Processor performance controls
7 Batteries
Inserting or removing a battery .......................................................................................................... 20
Charging a battery pack ..................................................................................................................... 21
Monitoring the charge of the battery pack ......................................................................... 21
Obtaining accurate charge information ............................................................. 21
Displaying charge information on the screen .................................................... 21
Viewing charge displays ................................................................... 22
Interpreting charge indicators ........................................................... 22
Managing low-battery conditions ........................................................................................................ 23
Identifying low-battery conditions ....................................................................................... 23
ENWW
iii Low-battery condition ........................................................................................ 23
Critical low-battery condition ............................................................................. 23
Resolving low-battery conditions ....................................................................................... 24
When external power is available ..................................................................... 24
When a charged battery pack is available ........................................................ 24
When no power source is available .................................................................. 24
When the computer cannot restore from hibernation ........................................ 24
Calibrating a battery pack ................................................................................................................... 25
When to calibrate ............................................................................................................... 25
How to calibrate ................................................................................................................. 25
Step 1: Charging the battery pack ..................................................................... 25
Step 2: Discharging the battery pack ................................................................ 26
Step 3: Recharging the battery pack ................................................................. 27
Conserving battery power .................................................................................................................. 28
Conserving power as you work .......................................................................................... 28
Selecting power conservation settings .............................................................................. 28
Storing a battery pack ........................................................................................................................ 29
Disposing of a used battery pack ....................................................................................................... 29
Index ................................................................................................................................................................... 31
iv
ENWW 1
Power control and light locations
The following illustration and table identify and describe the power control and light locations.
NOTE
Your computer may look slightly different from the illustration in this section.
Component
Description
(1)
Power button
When the computer is Off, press to turn on the computer. On, press to enter hibernation. In standby, briefly press to exit standby. In hibernation, briefly press to exit hibernation.
If the computer has stopped responding and Microsoft® Windows®
shutdown procedures cannot be used, press and hold the power
button for at least 5 seconds to turn off the computer.
(2)
Power lights* (2)
On: The computer is on.
Blinking: The computer is in standby.
Off: The computer is off or in hibernation.
(3)
fn+f5
Initiates standby.
ENWW
1 Component
Description
(4)
Battery light
Amber: A battery is charging.
Green: A battery is close to full charge capacity.
Blinking amber: A battery that is the only available power source
has reached a low-battery condition. When the battery reaches a
critical low-battery condition, the battery light begins blinking
rapidly.
Off: If the computer is plugged into an external power source, the
light is turned off when all batteries in the computer are fully
charged. If the computer is not plugged into an external power
source, the light stays off until the battery reaches a low-battery
condition.
(5)
Internal display switch
Turns off the display and initiates standby if the display is closed
while the computer is on.
*The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The
light on the front of the computer is visible whether the computer is open or closed.
2
Chapter 1 Power control and light locations
ENWW 2
Power sources
The computer runs on internal or external AC power. The following table indicates the best power
sources for common tasks.
NOTE
Use only the provided AC adapter or one approved for use with this computer.
Task
Recommended power source
Work in most software programs. Charged battery in the computer External power supplied through one of the following devices: AC adapter included with the computer Optional expansion product Optional power adapter
Charge or calibrate a battery in the computer. External power supplied through AC adapter included with the computer. Optional expansion product. Optional power adapter.
WARNING!
Do not charge the computer battery while you are
onboard aircraft.
Install or modify system software or write to a
CD or DVD.
External power supplied through AC adapter included w