HP 2160AE, 2186AF, 2182US, 2182AT, 2509 To recharge the battery, To get the most from your batteries

Page 41

Note

CAUTION

Batteries and Power Management

Using Battery Power

Once the notebook enters Hibernation 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.

•Plug in the AC adapter.

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 notebook is normally warm while recharging. Don’t recharge the notebook in a briefcase or other confined space, or the battery could overheat.

Plug the AC adapter into the notebook.

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

The operating time for a fully charged battery depends on the notebook model, power management settings, and level of use.

To get the most from your batteries

Follow these suggestions to make your battery power last as long as possible:

•Plug in the AC adapter, especially when using a CD-ROM or DVD drive, or any external connections such as a PC Card or a modem.

•Set the display brightness to the lowest comfortable level (Fn+F1).

•Put the notebook in Standby when you are not using it for a short while.

•Put the notebook in Hibernation whenever you want to save your current session but will not be using the notebook for a day or more.

•Set the automatic timeout settings to emphasize saving power. If your notebook has a multispeed processor, use the lower speed on battery power (the default settings conserve battery power).

Reference Guide 33

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Contents Compaq Notebook Series Reference Guide Ii Reference Guide Important Safety Information Iv Reference Guide Software Product License AgreementReference Guide Vi Reference Guide Contents Batteries and Power Management Index Getting Started with Your Notebook Series 2100 and N1050v Identifying Parts of the NotebookIdentifying Parts of the Notebook Mini-PCI cover no user parts inside Series Identifying Parts of the Notebook Identifying Parts of the Notebook Battery status Power modeStatus Lights Hard disk drive activityIdentifying Parts of the Notebook Insert the battery Setting Up Your NotebookConnect AC power Connect a phone line Hint Set up WindowsTurn on the notebook Basic Operation Power mode To enter this mode Function Default power settingsStandby -Power Operating Your NotebookTo change the boot device To reset the notebookTo use the TouchPad This hot key Does this To use the function hot keysTo program a One-Touch button To use the One-Touch buttonsThis key combination Does this To use the Windows and Applications keysTo use the ALT GR key Could stop responding and you could lose data Using CDs or DVDsTo create or copy CDs To play DVD moviesSecuring Your Notebook To set up password protectionTo lock your notebook WindowsTo protect against viruses To attach a security cableHard disk drive To lock the hard disk driveTo maintain your notebook Taking Care of Your NotebookTo protect your hard disk drive To extend the life of the display To safeguard your dataTo clean your notebook Batteries and Power Management Information that was not saved will be lost Managing Power ConsumptionHow the notebook manages power automatically Unsaved data if the notebook battery runs down completely Changing timeout settings and creating power schemesTo respond to a low-battery warning Using Battery PowerTo check battery status To get the most from your batteries To recharge the batteryUsing Battery Power Modem and Network Connections Telephone line type prior to connecting your phone line Using the ModemSpecial restrictions in certain countries To change your modem settingsConnecting to a Local Area Network LAN To prepare for connections Making Wireless Network Connections select models onlyConnecting to an Existing Wireless Network Creating a New Notebook-to-Notebook Network Ad Hoc Turning on communication and making a connection Purchase a license before using the wireless functionIndividual wireless functions Turning off communication and ending a connection To turn Bluetooth communication on and off Making Wireless Bluetooth Connections select models onlyTurning on Bluetooth communication FunctionTurning off Bluetooth communication To prepare for Bluetooth connectionsSending Outlook data to another Bluetooth device OPP To send or receive files using BluetoothSharing files with another Bluetooth device FTP Add-On Devices Inserting a PC Card Connecting External DevicesConnecting PC Cards To insert or remove a PC Card Connecting External Devices Audio recorder Series 2100 and N1050v External microphone connector pinkThese jacks may damage the notebook ReplicatorSwitching the display to the external monitor Connecting an external monitorAdjusting monitor resolution and other settings To use an external monitorTo connect an Ieee 1394 device select models only Using dual display modeTo connect an infrared device select models only Using the infrared portPrinting to an infrared printer Transferring files through an infrared connectionTo use a port replicator select models only To dock to the port replicator To undock from the port replicator Back of the notebook Installing Additional RAM MemoryTo install a RAM expansion module Series 2100 To remove a RAM expansion module Installing Additional RAM Memory To replace the hard disk drive Replacing the Hard Disk DriveTo replace the hard disk drive holder To prepare a new hard disk drive Troubleshooting and Maintenance Audio problems Troubleshooting Your NotebookIf no sound is audible If sound does not recordIf you can’t boot from a CD or DVD CD-ROM and DVD problemsIf you get a Region Code error when playing a DVD movie If a DVD plays erraticallyDisplay problems If an external display does not work Hard disk drive problemsIf the notebook hard drive doesn’t spin If the hard disk makes a buzzing or whining noiseInfrared problems Heat problemsIf you have problems with infrared communications If the notebook gets abnormally hotIf the pointer is difficult to control Keyboard and pointing device problemsIf the TouchPad doesn’t work If the TouchPad moves the pointer or cursor while you typeIf the built-in network adapter doesn’t connect to the LAN Local area network LAN problemsIf you can’t log in to Netware servers If a network connection responds slowlyModem problems Memory problemsIf the modem dials incorrectly If the modem doesn’t dial or no dial tone is detectedIf the modem dials but doesn’t connect If the modem isn’t detectedIf the modem dials but you can’t hear it If the modem causes an Error messageIf the modem connects, but transferred data is bad If the modem doesn’t faxPerformance problems PC Card Pcmcia problemsIf the notebook stops responding Power and battery problemsIf the notebook turns off immediately after it turns on If the notebook keeps beepingIf the notebook has a short operating time If the battery doesn’t chargeIf the Time Remaining for the battery is not correct Printing problems If a serial mouse doesn’t work Serial, parallel, and USB problemsIf a serial modem doesn’t work properly If the serial or parallel port is not workingStartup problems If you have problems with wireless 802.11 communication Wireless problemsIf you can connect, but the network is slow If your notebook cannot detect any Bluetooth devicesIf your notebook cannot detect a certain Bluetooth device To run the Bios Setup utility Configuring the NotebookMain Menu Setting Description DefaultSecurity Menu To change video memory settings using Bios Setup utility To replace a damaged QuickRestore System Recovery CD Reinstalling and Updating SoftwareReference Information Modem Reference Conexant Command ConexantModem Reference Information G ,h ,i G,h +MCR ECC Commands +FMR AT* CommandsCode Meaning Register Function Conexant Range/units DefaultCountry or Region Rated Voltage and Current Safety InformationPower Cords Laser Safety Battery SafetyMercury Safety LED SafetyExposure to Radio Frequency Radiation Connections to Peripheral Devices Regulatory InformationRegulatory Information Declaration of Conformity U.S.A CanadaResponsible Party Trade nameEuropean Union Regulatory Information Japan Telecommunications Approval JapanConexant AMC20493-KT5 Data Fax Modem PTC 211/02/071 New ZealandPTC200 7.5.2 3 4 Ringer Sensitivity Russia InternationalEMC Index QuickRestore System Recovery USB

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