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HP 2505EU, 2186AF, 2182US, 2182AT, 2182AF, 2181AF Troubleshooting and Maintenance, Reference Guide

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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Troubleshooting and Maintenance

Reference Guide 65

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HP 2505EU, 2186AF, 2182US, 2182AT, 2182AF, 2181AF, 2180EA, 2180AF, 2180CA, 2179AF Troubleshooting and Maintenance, Reference Guide

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 Add-On Devices Batteries and Power ManagementTroubleshooting and Maintenance Modem and Network ConnectionsIndex Reference InformationReference Guide Getting Started with Your NotebookIdentifying Parts of the Notebook Identifying Parts of the NotebookSeries 2100 and N1050v 13 AC adapter jack 14 Universal serial bus ports USB Getting Started with Your NotebookIdentifying Parts of the Notebook Reference GuideGetting Started with Your Notebook 4 Reference GuideReset button Battery latchReference Guide SeriesGetting Started with Your Notebook Identifying Parts of the NotebookIdentifying Parts of the Notebook 6 Reference GuideGetting Started with Your Notebook Identifying Parts of the Notebook 26 Hard disk drive 27 Battery latch31 Reset button Getting Started with Your Notebook2 Hard disk drive activity 1 Power mode3 Battery status Status Lights1 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 lineHint Step 5 Set up WindowsStep 4 Turn on the notebook Setting Up Your NotebookReference 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 TouchPadReference Guide To use the function hot keysBasic Operation Operating Your NotebookOperating 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 could stop responding and you could lose data Using CDs or DVDsUsing CDs or DVDs To insert or remove a CD or DVDUsing CDs or DVDs To play DVD moviesTo create or copy CDs Securing Your Notebook To set up password protectionSecuring Your Notebook To lock your notebookSecuring Your Notebook To attach a security cableTo protect against viruses Securing Your Notebook When you enable hard disk drive lock, the current BIOS user passwordTo lock the hard disk drive hard disk driveTaking Care of Your Notebook Taking Care of Your NotebookTo protect your hard disk drive To maintain your notebookTaking Care of Your Notebook To safeguard your dataTo clean your notebook To extend the life of the displayReference Guide Batteries and Power Managementinformation that was not saved will be lost Managing Power ConsumptionHow the notebook manages power automatically Managing Power ConsumptionManaging Power Consumption Changing timeout settings and creating power schemesunsaved data if the notebook battery runs down completely Using Battery Power Using Battery PowerTo check battery status To respond to a low-battery warningUsing 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 LANTo prepare for connections Making Wireless Network Connections select models onlyMaking Wireless Network Connections select models only Connecting to an Existing Wireless NetworkMaking Wireless Network Connections select models only Creating a New Notebook-to-Notebook Network Ad HocTurning on communication and making a connection To turn wireless communication on and offpurchase a license before using the wireless function the individual wireless functionsMaking Wireless Network Connections select models only Turning off communication and ending a connectionauthorization before turning on your notebook wireless networking Making Wireless Bluetooth Connections select models onlyTo turn Bluetooth communication on and off Making Wireless Bluetooth Connections select models onlyMaking Wireless Bluetooth Connections select models only To prepare for Bluetooth connectionsTurning off Bluetooth communication Making Wireless Bluetooth Connections select models only To send or receive files using BluetoothSharing files with another Bluetooth device FTP Sending Outlook data to another Bluetooth device OPPReference Guide Add-On DevicesTo insert or remove a PC Card Connecting External DevicesConnecting PC Cards Connecting External DevicesConnecting External Devices Removing a PC Cardreplicator To connect an audio deviceaudio recorder of these jacks may damage the notebookTo use an external monitor Connecting an external monitorSwitching the display to the external monitor Adjusting monitor resolution and other settingsConnecting External Devices Using dual display modeTo connect an IEEE 1394 device select models only Printing to an infrared printer Using the infrared portTo connect an infrared device select models only Note select models onlyConnecting External Devices To use a port replicator select models onlyConnecting External Devices To dock to the port replicatorAdd-On Devices To undock from the port replicator56 Reference Guide Connecting External Devicesback of the notebook Installing Additional RAM MemoryTo install a RAM expansion module Installing Additional RAM Memory5. Replace the cover 6. Insert the battery Installing Additional RAM MemoryInstalling Additional RAM Memory To remove a RAM expansion moduleof the notebook 7. Insert the battery 60 Reference GuideInstalling Additional RAM Memory 5. Pull the board out of the connector 6. Replace the coverReplacing 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 MaintenanceIf no sound is audible Troubleshooting Your NotebookAudio problems Troubleshooting Your NotebookIf you hear a loud high-pitched whine feedback from the speakers CD-ROM and DVD problemsIf you can’t boot from a CD or DVD If you get a Region Code error when playing a DVD movieIf the notebook can’t find Wordpad.exe after inserting a CD Display problemsIf a DVD movie doesn’t fill the screen If a DVD doesn’t play with two displaysIf the hard disk makes a buzzing or whining noise Hard disk drive problemsIf an external display does not work If the notebook hard drive doesn’t spinIf the notebook gets abnormally hot Heat problemsInfrared problems If you have problems with infrared communicationsIf the TouchPad moves the pointer or cursor while you type Keyboard and pointing device problemsIf the pointer is difficult to control If the TouchPad doesn’t workIf you can’t log in to Netware servers Local area network LAN problemsIf the built-in network adapter doesn’t connect to the LAN If you can’t browse the Network Neighborhood or My Network PlacesIf memory doesn’t increase after adding RAM Memory problemsModem problems If a message says you are out of memoryIf the modem isn’t detected If the modem doesn’t dial or no dial tone is detectedIf the modem dials incorrectly If the modem dials but doesn’t connectIf the modem doesn’t fax If the modem causes an ERROR messageIf the modem dials but you can’t hear it If the modem connects, but transferred data is badIf a network PC card stops communicating properly PC Card PCMCIA problemsPerformance problems If the notebook doesn’t recognize a PC CardIf the notebook keeps beeping Power and battery problemsIf the notebook stops responding If the notebook turns off immediately after it turns onTroubleshooting Your Notebook If the battery doesn’t chargeIf the Time Remaining for the battery is not correct If the notebook has a short operating timeIf a serial or parallel printer doesn’t print Printing problemsIf the notebook doesn’t enter Standby mode as expected If the notebook doesn’t enter Hibernation as expectedIf the serial or parallel port is not working Serial, parallel, and USB problemsIf a serial mouse doesn’t work If a serial modem doesn’t work properlyIf the notebook won’t boot from the floppy disk drive Startup problemsIf the notebook doesn’t respond when you turn it on If the notebook won’t boot from battery powerTroubleshooting Your Notebook Wireless problemsIf you have problems with wireless 802.11 communication If the notebook takes a long time to resume after being suspendedIf you can connect, but the network is slow If your notebook cannot detect any Bluetooth devicesIf your notebook cannot detect a certain Bluetooth device If you cannot connect to a particular notebook on the networkConfiguring the Notebook Configuring the NotebookTo run the BIOS Setup utility Configuring the Notebook Main MenuSystem Devices Menu Troubleshooting and Maintenance86 Reference Guide Boot MenuSecurity Menu Exit MenuConfiguring 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 Information Modem Reference ConexantModem Reference Information Conexant AT Commands Advanced Users OnlyCommand Reference InformationReference Information 92 Reference GuideConexant AT Commands Advanced Users Only CommandModem Reference Information Conexant AT Commands Advanced Users OnlyCommand Reference InformationConexant AT Commands Advanced Users Only ECC CommandsFAX Class 94 Reference GuideAT* Commands Voice CommandsConexant AT Commands Advanced Users Only CommandDefault Modem Reference Information S-Registers ConexantSelected Result Codes Conexant 96 Reference GuideSafety Information Safety InformationPower Cords Safety Information Battery SafetyLaser Safety Safety Information LED SafetyMercury Safety Safety Information Exposure to Radio Frequency RadiationConnections to Peripheral Devices Regulatory InformationU.S.A Regulatory InformationRegulatory 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 Regulatory Information New ZealandPTC200 2.11.1 6 & 7 Compliance Testing Functional tests Reference InformationRegulatory Information RussiaInternational Reference Guide SafetyReference Information Regulatory InformationReference Guide IndexReference Guide QuickRestore System Recovery112 Reference Guide