Manuals / HP / Computer Equipment / Laptop

HP 2160AE, 2509 To recharge the battery, To get the most from your batteries, Using Battery Power

Models: 2521EU 2530AI 2104EA 2102FD 2111EU 2508EU 2505EU 2164EA 2565EA 2561AH 2539AI 2523EU 2526AH 2538AI 2156AE 2126EU 2100 (Intel) 2120EU 2123EA 2116EU 2118EU 2509AT 2511EU 2168EA 2161AD 2175US 2181AF

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To recharge the battery

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

Contents

Compaq Notebook Series Reference Guide Reference Number 2100/2500/N1050v Part Number Compaq Notebook Series Reference Guide First Edition Decemberline cord that meets the requirements of ACA Technical Standard TS008 Important Safety Informationnotebook must be connected to the Telecommunication Network through a iv Reference Guide Software Product License AgreementOWNERSHIP. Customer agrees that he/she does not have any title or ownership of the software, other than ownership of the physical media. Customer acknowledges and agrees that the software is copyrighted and protected under the copyright laws vi Reference Guide Basic Operation ContentsGetting Started with Your Notebook Troubleshooting and Maintenance Batteries and Power ManagementModem and Network Connections Add-On DevicesIndex Reference InformationReference Guide Getting Started with Your NotebookIdentifying Parts of the Notebook Identifying Parts of the NotebookSeries 2100 and N1050v Identifying Parts of the Notebook Getting Started with Your NotebookReference Guide 13 AC adapter jack 14 Universal serial bus ports USBReset button 4 Reference GuideBattery latch Getting Started with Your NotebookGetting Started with Your Notebook SeriesIdentifying Parts of the Notebook Reference GuideIdentifying Parts of the Notebook 6 Reference GuideGetting Started with Your Notebook 31 Reset button 26 Hard disk drive 27 Battery latchGetting Started with Your Notebook Identifying Parts of the Notebook3 Battery status 1 Power modeStatus Lights 2 Hard disk drive activity1 Caps Lock On Caps Lock is active Identifying Parts of the NotebookSetting Up Your Notebook Setting Up Your NotebookStep 1 Insert the battery Setting Up Your Notebook Step 2 Connect AC powerSetting Up Your Notebook Step 3 Connect a phone lineStep 4 Turn on the notebook Step 5 Set up WindowsSetting Up Your Notebook HintReference Guide Basic OperationOperating Your Notebook Default power settingsOperating Your Notebook Operating Your Notebook To reset the notebookTo change the boot device Operating Your Notebook To use the TouchPadBasic Operation To use the function hot keysOperating Your Notebook Reference GuideOperating Your Notebook To use the One-Touch buttonsTo program a One-Touch button Operating Your Notebook To use the Windows and Applications keysTo use the ALT GR key Using CDs or DVDs Using CDs or DVDsTo insert or remove a CD or DVD could stop responding and you could lose dataUsing CDs or DVDs To play DVD moviesTo create or copy CDs Securing Your Notebook To set up password protectionTo lock your notebook Securing Your NotebookSecuring Your Notebook To attach a security cableTo protect against viruses To lock the hard disk drive When you enable hard disk drive lock, the current BIOS user passwordhard disk drive Securing Your NotebookTo protect your hard disk drive Taking Care of Your NotebookTo maintain your notebook Taking Care of Your NotebookTo clean your notebook To safeguard your dataTo extend the life of the display Taking Care of Your NotebookReference Guide Batteries and Power ManagementHow the notebook manages power automatically Managing Power ConsumptionManaging Power Consumption information that was not saved will be lostManaging Power Consumption Changing timeout settings and creating power schemesunsaved data if the notebook battery runs down completely To check battery status Using Battery PowerTo respond to a low-battery warning Using Battery PowerUsing Battery Power To recharge the batteryTo get the most from your batteries Unplug the AC adapter when the notebook is not in use Using Battery PowerReference Guide Modem and Network Connectionstelephone line type prior to connecting your phone line Using the ModemUsing the Modem Using the Modem To change your modem settingsSpecial restrictions in certain countries Connecting to a Local Area Network LAN Connecting to a Local Area Network LANMaking Wireless Network Connections select models only Making Wireless Network Connections select models onlyConnecting to an Existing Wireless Network To prepare for connectionsMaking Wireless Network Connections select models only Creating a New Notebook-to-Notebook Network Ad Hocpurchase a license before using the wireless function To turn wireless communication on and offthe individual wireless functions Turning on communication and making a connectionMaking Wireless Network Connections select models only Turning off communication and ending a connectionTo turn Bluetooth communication on and off Making Wireless Bluetooth Connections select models onlyMaking Wireless Bluetooth Connections select models only authorization before turning on your notebook wireless networkingMaking Wireless Bluetooth Connections select models only To prepare for Bluetooth connectionsTurning off Bluetooth communication Sharing files with another Bluetooth device FTP To send or receive files using BluetoothSending Outlook data to another Bluetooth device OPP Making Wireless Bluetooth Connections select models onlyReference Guide Add-On DevicesConnecting PC Cards Connecting External DevicesConnecting External Devices To insert or remove a PC CardConnecting External Devices Removing a PC Cardaudio recorder To connect an audio deviceof these 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 monitorConnecting External Devices Using dual display modeTo connect an IEEE 1394 device select models only To connect an infrared device select models only Using the infrared portNote select models only Printing to an infrared printerConnecting External Devices To use a port replicator select models onlyConnecting External Devices To dock to the port replicator56 Reference Guide To undock from the port replicatorConnecting External Devices Add-On DevicesTo install a RAM expansion module Installing Additional RAM MemoryInstalling Additional RAM Memory back of the notebook5. Replace the cover 6. Insert the battery Installing Additional RAM MemoryInstalling Additional RAM Memory To remove a RAM expansion moduleof the notebook Installing Additional RAM Memory 60 Reference Guide5. Pull the board out of the connector 6. Replace the cover 7. Insert the batteryReplacing the Hard Disk Drive Replacing the Hard Disk DriveTo replace the hard disk drive Replacing the Hard Disk Drive To replace the hard disk drive holderReplacing the Hard Disk Drive To prepare a new hard disk driveReference Guide Troubleshooting and MaintenanceAudio problems Troubleshooting Your NotebookTroubleshooting Your Notebook If no sound is audibleIf 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 you hear a loud high-pitched whine feedback from the speakersIf a DVD movie doesn’t fill the screen Display problemsIf a DVD doesn’t play with two displays If the notebook can’t find Wordpad.exe after inserting a CDIf 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 browse the Network Neighborhood or My Network Places If you can’t log in to Netware serversModem problems Memory problemsIf a message says you are out of memory If memory doesn’t increase after adding RAMIf 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 doesn’t recognize a PC Card If a network PC card stops communicating properlyIf the notebook stops responding Power and battery problemsIf the notebook turns off immediately after it turns on If the notebook keeps beepingIf the Time Remaining for the battery is not correct If the battery doesn’t chargeIf the notebook has a short operating time Troubleshooting Your NotebookIf the notebook doesn’t enter Standby mode as expected Printing problemsIf the notebook doesn’t enter Hibernation as expected If a serial or parallel printer doesn’t printIf 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 workingIf the notebook doesn’t respond when you turn it on Startup problemsIf the notebook won’t boot from battery power If the notebook won’t boot from the floppy disk driveIf you have problems with wireless 802.11 communication Wireless problemsIf the notebook takes a long time to resume after being suspended Troubleshooting Your NotebookIf your notebook cannot detect a certain Bluetooth device If your notebook cannot detect any Bluetooth devicesIf you cannot connect to a particular notebook on the network If you can connect, but the network is slowConfiguring the Notebook Configuring the NotebookTo run the BIOS Setup utility System Devices Menu Main MenuTroubleshooting and Maintenance Configuring the NotebookSecurity Menu Boot MenuExit Menu 86 Reference GuideConfiguring the Notebook To change video memory settings using BIOS Setup utilityReinstalling and Updating Software Reinstalling and Updating SoftwareTo replace a damaged QuickRestore System Recovery CD Reference Guide Reference InformationModem Reference Information Conexant AT Commands Advanced Users OnlyModem Reference Conexant Modem Reference InformationCommand Conexant AT Commands Advanced Users OnlyReference Information Modem Reference InformationConexant AT Commands Advanced Users Only 92 Reference GuideCommand Reference InformationCommand Conexant AT Commands Advanced Users OnlyReference Information Modem Reference InformationFAX Class ECC Commands94 Reference Guide Conexant AT Commands Advanced Users OnlyConexant AT Commands Advanced Users Only Voice CommandsCommand AT* CommandsSelected Result Codes Conexant Modem Reference Information S-Registers Conexant96 Reference Guide DefaultSafety Information Safety InformationPower Cords Safety Information Battery SafetyLaser Safety Safety Information LED SafetyMercury Safety Safety Information Exposure to Radio Frequency RadiationU.S.A Regulatory InformationRegulatory Information Connections to Peripheral DevicesRegulatory Information Applicable certification jack USOC = RJ11C. A plug and jack used to connect this equipment to the premises wiring and telephone network must comply with the applicable FCC Part 68 rules and requirements adopted by the ACTA. A compliant telephone cord and modular plug is provided with this product. It is designed to be connected to a compatible modular jack that is also compliant. See installation instructions for detailsRegulatory Information CanadaDeclaration of Conformity U.S.A Regulatory Information European UnionItaly Indoor or outdoor use in a public area requires a user license Regulatory InformationRegulatory Information JapanJapan Telecommunications Approval PTC200 2.11.1 6 & 7 Compliance Testing Functional tests New ZealandReference Information Regulatory InformationRegulatory Information RussiaInternational Reference Information SafetyRegulatory Information Reference GuideReference Guide IndexReference Guide QuickRestore System Recovery112 Reference Guide