HP CQ50 User Manual

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Summary of Contents

Page 1 - Power Management

Power ManagementUser Guide

Page 2

2 Using battery powerWhen a charged battery is in the computer and the computer is not plugged into external power, thecomputer runs on battery power.

Page 3 - Table of contents

Finding battery information in Help and SupportThe Battery information section of the Help and Support Learning Center provides the following toolsand

Page 4

Displaying the remaining battery charge▲Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar.– or –V

Page 5 - 1 Setting power options

Inserting or removing the batteryCAUTION: Removing a battery that is the sole power source can cause loss of information. To preventloss of informatio

Page 6

3. Pivot the battery (2) upward and remove it from the computer (3).10 Chapter 2 Using battery power

Page 7 - Using the battery meter

Charging a batteryWARNING! Do not charge the computer battery while you are onboard aircraft.The battery charges whenever the computer is plugged into

Page 8 - Using power plans

Managing low battery levelsThe information in this section describes the alerts and system responses set at the factory. Some low-battery alerts and s

Page 9

Resolving a low battery levelCAUTION: To reduce the risk of losing information when the computer reaches a critical battery leveland has initiated Hib

Page 10 - 2 Using battery power

Calibrating a batteryCalibrate a battery under the following conditions:●When battery charge displays seem inaccurate●When you observe a significant c

Page 11

Step 3: Discharge the batteryThe computer must remain on while the battery is being discharged. The battery can discharge whetheror not you are using

Page 12

© Copyright 2008 Hewlett-PackardDevelopment Company, L.P.Windows is a U.S. registered trademark ofMicrosoft Corporation.The information contained here

Page 13

Step 4: Fully recharge the batteryTo recharge the battery:1. Plug the computer into external power and maintain external power until the battery is fu

Page 14

Conserving battery power●Select low power-use settings through Power Options in Windows Control Panel.●Turn off wireless and local area network (LAN)

Page 15 - Charging a battery

3 Using external AC powerExternal AC power is supplied through an approved AC adapter.WARNING! To reduce potential safety issues, use only the AC adap

Page 16 - Managing low battery levels

Connecting the AC adapterWARNING! To reduce the risk of electric shock or damage to the equipment:Plug the power cord into an AC outlet that is easily

Page 17 - Resolving a low battery level

4 Shutting down the computerCAUTION: Unsaved information will be lost when the computer is shut down.The Shut Down command closes all open programs, i

Page 18 - Calibrating a battery

IndexAAC adapter, connecting 19Bbatterycalibrating 14charging 11, 14conserving power 17disposing 17inserting 9low battery levels 12recharging 16remov

Page 20

Table of contents1 Setting power optionsUsing power-saving states ...

Page 22 - 3 Using external AC power

1 Setting power optionsUsing power-saving statesThe computer has two power-saving states enabled at the factory: Sleep and Hibernation.When Sleep is i

Page 23 - Connecting the AC adapter

When the computer exits Sleep, the power lights turn on and your work returns to the screen where youstopped working.NOTE: If you have set a password

Page 24 - 4 Shutting down the computer

Using the battery meterThe battery meter is located in the notification area, at the far right of the taskbar. The battery meterallows you to quickly

Page 25

Using power plansA power plan is a collection of system settings that manages how the computer uses power. Powerplans can help you conserve power or m

Page 26

Setting password protection on wakeupTo set the computer to prompt for a password when the computer exits Sleep or Hibernation, followthese steps:1. S

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