Compaq 319921-001 manual Power and Battery Pack Problems

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Troubleshooting

If nothing happens, insert the tip of a paper clip into the reset button on the bottom of the notebook. Then press the power button to turn the notebook back on.

To avoid lockup problems, avoid turning the notebook off or putting it into Standby while graphic-intensive applications are running.

Power and Battery Pack Problems

If the Notebook Turns Off Immediately After It Turns On

Battery power is probably extremely low. Plug in the AC adapter or insert a charged battery pack.

If the Notebook Keeps Beeping

The notebook beeps repeatedly or displays a warning when battery power is low. Save your work, shut down Windows immediately, and insert a charged battery pack or plug in the AC adapter.

If the Battery Pack Does Not Charge

Make sure the AC adapter is fully plugged into the power source and the notebook, and that the light on the adapter is on.

If you are using a power strip, remove the AC adapter from the power strip and plug it directly into a wall outlet.

Make sure the battery pack is fully installed and locked in place.

Make sure you are using only the AC adapter included with your notebook (or other approved adapter that meets the power requirements of the notebook). Do not use a 60-watt, 3.16-amp adapter.

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Startup Guide

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Contents Startup Guide Page Software Product License Agreement Your Hewlett-Packard product contains software programsFor a notebook supplied with a Microsoft operating system Startup Guide Software Product License Agreement Contents Index Battery Packs and Power ManagementTroubleshooting Important Safety Information Getting Started with Your NotebookIdentifying Parts of the Notebook Front Panel and Right Panel Components Getting Started with Your Notebook Left Panel and Back Panel Components Getting Started with Your Notebook Bottom Panel Components Getting Started with Your Notebook Status Lights Getting Started with Your Notebook Setting Up Your Notebook Insert the Battery PackConnect AC Power Connect a Phone Line Turn On the Notebook Using the Documentation Library CD Set Up WindowsBasic Operation Operating Your NotebookDefault Power Settings Following table is describing the default power settingTo Reset the Notebook To Change the Boot DeviceTouchPad on-off button and indicator light To Use the TouchPadTo Use the Function Hot Keys This hot key Does thisUsing CDs or DVDs To Play DVD MoviesTo Connect a TV to Your Notebook To Connect an Infrared Device Select Models OnlyTransferring Files Through an Infrared Connection Using the Infrared PortPrinting to an Infrared Printer To Check Battery Status Battery Packs and Power ManagementUsing Battery Power To Respond to a Low-Battery Warning From the Windows Control PanelTo Recharge the Battery Pack Display Problems TroubleshootingTroubleshooting Your Notebook If the Notebook Is On, But the Screen Is BlankIf an External Display Does Not Work Hard Drive ProblemsIf the Screen Is Difficult to Read If the Notebook Hard Drive Does Not SpinIf the Pointer Is Difficult to Control Keyboard and Pointing Device ProblemsPerformance Problems If the TouchPad Does Not WorkPower and Battery Pack Problems If the Notebook Turns Off Immediately After It Turns OnIf the Notebook Will Not Boot from Battery Power Startup ProblemsIf the Notebook Does Not Respond When You Turn It On Configuring Your Notebook To Run the Bios Setup UtilityTroubleshooting Index Index Index Index