Compaq PKX301T manual To respond to a low-battery warning, To recharge the battery

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Note

CAUTION

Batteries and Power Management

Using Battery Power

To respond to a low-battery warning

The computer automatically alerts you when the battery power drops to a critically low level. The computer first emits a high-pitched beep or displays a warning message. Then, if you do not restore power within a short time, the computer goes into Hibernate mode.

Once the computer enters Hibernate mode in this way, you won’t be able to turn it on again until you restore power by doing one of the following:

Replace the battery with a charged one—see “Step 1: Install the battery” on page 17.

Plug in the AC adapter—see “Step 2: Connect AC power” on page 19.

If you plug in the AC adapter, you can continue to work while your battery recharges.

To recharge the battery

The AC adapter is normally warm whenever plugged into an AC outlet. The computer is normally warm while recharging. Don’t recharge the computer in a briefcase or other confined space, or its battery could overheat.

Plug the AC adapter into the computer.

To get the longest operating time, wait until the battery’s charge is below 50% before recharging, and then charge it fully (100%). Charging can take up to approximately 2 hours. If you continue working while the battery charges, the charging time may increase to 3 hours.

The operating time for a fully charged battery depends on your computer’s model, power management settings, and level of use.

Startup Guide

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Contents Compaq Notebook Series Startup Guide Page Software Product License Agreement Important Safety InformationStartup Guide Page Page Contents Startup Guide Getting Started with Your Notebook What’s in the box? Taking InventoryProducts To find more informationFront View Identifying Parts of the ComputerBack View Bottom View Status Lights Page Install the battery Setting Up Your ComputerPage Connect AC power Connect a phone line Turn on the computer Set up WindowsWhat to do next To connect to the InternetBasic Operation To turn the computer on and off Operating Your ComputerTo reset the computer To use the touch pad To change the boot devicePage Appropriate second key, and then release both keys To use the Fn hot keysYou can also use Windows Media Player to play DVD movies To play DVD moviesPage Batteries and Power Management To check battery status Using Battery PowerTo recharge the battery To respond to a low-battery warningPage Add-On Devices To install a RAM expansion module Installing Additional RAMTo replace the hard disk drive Replacing the Hard Disk DrivePage Troubleshooting and Maintenance Display Problems Troubleshooting Your ComputerKeyboard and Pointing Device Problems Hard Disk Drive ProblemsPower and Battery Problems Performance ProblemsStartup Problems To run the e-Diagtools diagnostic test Testing the HardwarePage To run the Bios Setup utility Configuring the ComputerTo recover the factory installation of your hard disk Reinstalling and Updating SoftwarePage Support and Service To get support or service Getting Assistance for Your ComputerTo get help from the Web Page To receive repair service To prepare your computer for shipment Limited Warranty Statement Support and Service Limited Warranty Statement Page Reference Information RAM Hardware SpecificationsLAN Reference Information Hardware Specifications Power Cords Safety InformationErgonomics Battery Safety LED Safety Laser SafetyExposure to Radio Frequency Radiation Mercury SafetyRegulatory Information Startup Guide Canada European Union Japan Conexant AMC20493-KT5 Data Fax Modem PTC 211/02/071 New ZealandRussia International Specifications listed on the followingEMC Index Opening USB