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Compaq AMC20493-KT5 manual CD-ROM and DVD problems, If you can’t boot from a CD or DVD

Models: AMC20493-KT5

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If you hear a loud high-pitched whine (feedback) from the speakers

Troubleshooting and Maintenance

Troubleshooting Your Notebook

If you hear a loud high-pitched whine (feedback) from the speakers

•In the Volume Control, try reducing the Master volume by selecting the speaker icon in the taskbar.

•In Volume Control, select Options > Properties, and select the microphone option for the playback settings. Then in Volume Control, make sure the microphone is muted.

CD-ROM and DVD problems

If you can’t boot from a CD or DVD

•Make sure the CD or DVD is bootable, such as the QuickRestore System Recovery CD.

•Make sure the CD-ROM/DVD drive is selected as the boot device. See the “Basic Operation” chapter in this guide to change the boot sequence.

•Restart the notebook. Select Start > Turn Off Computer > Restart.

If a DVD plays erratically

•Dirt or smudges can cause a disc to skip. Clean the disc with a soft cloth. If the disc is badly scratched, it will probably have to be replaced.

•If you’re playing the DVD on battery power, try changing the power scheme.

If you get a Region Code error when playing a DVD movie

DVDs can have regional codes embedded in the disc data. These codes prevent DVD movies from being played outside the region of the world in which they are sold. If you get a Region Code error, you are trying to play a DVD intended for a different region.

If the notebook cannot read a CD or DVD

•For a single-sided CD or DVD, make sure the disc is placed in the drive with the label facing up.

•Clean the disc.

•Wait 5 to 10 seconds after closing the tray to give the notebook time to recognize the disc.

Reference Guide 67

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Compaq AMC20493-KT5 manual CD-ROM and DVD problems, If you hear a loud high-pitched whine feedback from the speakers

Contents

Compaq Notebook Series Reference GuideReference Guide Second Edition March Part Number Important Safety Information cord that meets the requirements of ACA Technical Standard TS008Software Product License Agreement iv Reference GuideOWNERSHIP. 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 ManagementModem and Network Connections Troubleshooting and Maintenance Reference Informationx Reference Guide IndexGetting Started with Your Notebook Reference GuideIdentifying Parts of the Notebook Identifying Parts of the NotebookFront panel and right panel components Reference Guide Getting Started with Your NotebookIdentifying Parts of the Notebook Getting Started with Your Notebook Left panel and back panel components4 Reference Guide Identifying Parts of the NotebookReference Guide Getting Started with Your NotebookIdentifying Parts of the Notebook PC Card and CardBus slot and buttonsReset button Bottom panel components6 Reference Guide Battery latchGetting Started with Your Notebook 1 Hard drive 2 Battery latch 3 Mini PCI cover no user parts inside4 RAM memory cover 5 Docking port select models only 6 Reset button Identifying Parts of the NotebookStatus lights 1 Power mode3 Battery status 2 Hard drive activityIdentifying Parts of the Notebook 1 Caps Lock On Caps Lock is activeSetting Up Your Notebook Setting Up Your NotebookStep 1 Insert the battery Step 2 Connect AC power Setting Up Your NotebookStep 3 Connect a phone line Setting Up Your NotebookSetting Up Your Notebook Step 5 Set up WindowsStep 4 Turn on the notebook Basic Operation Reference GuideOperating Your Notebook Default power settingsOperating Your Notebook Operating Your Notebook To reset the notebookTo change the boot device Operating Your Notebook 3 TouchPad on-off button and indicator lightTo use the TouchPad Operating Your Notebook To use the function hot keysBasic Operation 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 To insert or remove a CD or DVD Using CDs or DVDsUsing CDs or DVDs could stop responding and you could lose dataUsing CDs or DVDs To play DVD moviesTo create or copy CDs To lock your notebook To set up password protectionSecuring Your Notebook Securing Your NotebookSecuring Your Notebook To attach a security cableTo protect against viruses password. If you forget the password, you cannot recover your data When you enable the hard drive lock, the current BIOS user passwordyou match the drive password, you can change the notebook and drive To lock the hard driveTo maintain your notebook Taking Care of Your NotebookTo protect your hard drive Taking Care of Your NotebookTo extend the life of the display To safeguard your dataTo clean your notebook Taking Care of Your NotebookBatteries and Power Management Reference GuideManaging Power Consumption Managing Power ConsumptionHow the notebook manages power automatically 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 Using Battery Power Using Battery PowerTo check battery status From the battery status lightTo get the most from your batteries To respond to a low-battery warningTo recharge the battery Using Battery PowerUsing Battery Power Unplug the AC adapter when the notebook is not in useModem and Network Connections Reference Guideyour telephone 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 LANConnecting to an existing wireless network Making Wireless Network Connections select models onlyMaking Wireless Network Connections select models only To prepare for connectionsCreating a New Notebook-to-Notebook Network Ad Hoc Making Wireless Network Connections select models onlythe individual wireless functions To turn wireless communication on and offpurchase a license before using the wireless function Turning on communication and making a connectionTurning off communication and ending a connection Making Wireless Network Connections select models onlyMaking Wireless Bluetooth Connections select models only Making Wireless Bluetooth Connections select models onlyTo turn Bluetooth communication on and off authorization before turning on your notebook wireless networkingMaking Wireless Bluetooth Connections select models only To prepare for Bluetooth connectionsTurning off Bluetooth communication Sending Outlook data to another Bluetooth device OPP To send or receive files using BluetoothSharing files with another Bluetooth device FTP Making Wireless Bluetooth Connections select models onlyAdd-On Devices Reference GuideConnecting External Devices Connecting External DevicesConnecting PC Cards To insert or remove a PC CardRemoving a PC Card Connecting External Devicesof these jacks may damage the notebook To connect an audio deviceaudio recorder audio ports on your notebookTo use an external monitor Connecting an external monitorAdjusting monitor resolution and other settings Connecting External DevicesConnecting 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 Transferring files through an infrared connectionTo use a port replicator select models only Connecting External DevicesConnecting External Devices To dock to the port replicatorcorresponding port on the port replicator is ignored Connecting External Devices To undock from the port replicator56 Reference Guide Add-On DevicesInstalling Additional RAM Memory Installing Additional RAM MemoryTo install a RAM expansion module back of the notebookInstalling Additional RAM Memory 5. Replace the cover 6. Insert the batteryInstalling Additional RAM Memory To remove a RAM expansion moduleof the notebook 5. Pull the board out of the connector 6. Replace the cover 60 Reference GuideInstalling Additional RAM Memory 7. Insert the batteryReplacing the Hard Drive Replacing the Hard DriveTo replace the hard drive To replace the hard drive holder Replacing the Hard DriveTo prepare a new hard drive Replacing the Hard DriveTroubleshooting and Maintenance Reference GuideTroubleshooting Your Notebook Troubleshooting Your NotebookAudio problems If no sound is audibleIf you get a Region Code error when playing a DVD movie CD-ROM and DVD problemsIf you can’t boot from a CD or DVD If you hear a loud high-pitched whine feedback from the speakersIf the notebook can’t find Wordpad.exe after inserting a CD Display problemsIf a DVD movie doesn’t fill the screen If the notebook is on, but the screen is blankIf the notebook hard drive doesn’t spin Hard drive problemsHeat problems If the hard disk makes a buzzing or whining noiseIf you have problems with infrared communications Infrared problemsKeyboard and pointing device problems If the pointer is difficult to controlIf the built-in network adapter doesn’t connect to the LAN Local area network LAN problemsIf a PS/2 scroll mouse doesn’t work If you can’t browse the Network Neighborhood or My Network PlacesIf a message says you are out of memory Memory problemsModem problems If memory doesn’t increase after adding RAMIf the modem dials but doesn’t connect If the modem doesn’t dial or no dial tone is detectedIf the modem dials incorrectly If the modem isn’t detectedIf the modem connects, but transferred data is bad If the modem causes an ERROR messageIf the modem dials but you can’t hear it If the modem doesn’t faxIf the notebook doesn’t recognize a PC Card PC Card PCMCIA problemsPerformance problems If a network PC card stops communicating properlyIf the notebook turns off immediately after it turns on Power and battery problemsIf the notebook stops responding If the notebook keeps beepingIf the notebook has a short operating time If the battery does not chargeIf the Time Remaining for the battery is not correct Troubleshooting Your NotebookIf the notebook doesn’t enter Hibernation as expected Printing problemsIf the notebook doesn’t enter Standby mode as expected If a serial or parallel printer doesn’t printIf a serial modem does not work properly Serial, parallel, and USB problemsIf a serial mouse doesn’t work If the serial or parallel port is not workingIf the notebook won’t boot from battery power Startup problemsIf the notebook doesn’t respond when you turn it on If the notebook will not boot from the diskette driveIf you cannot connect to a particular notebook on the network Wireless problemsIf you have problems with wireless 802.11 communication Troubleshooting Your NotebookIf you can connect, but the network is slow If your notebook cannot detect any Bluetooth devicesIf your notebook cannot detect a certain Bluetooth device Troubleshooting Your NotebookConfiguring the Notebook Configuring the NotebookTo run the BIOS Setup utility Configuring the Notebook 84 Reference GuideTroubleshooting and Maintenance SettingConfiguring the Notebook Boot MenuTroubleshooting and Maintenance SettingTo change video memory settings using BIOS Setup utility Configuring the NotebookReinstalling and Updating Software Reinstalling and Updating SoftwareTo replace a damaged QuickRestore System Recovery CD Reference Information Reference GuideModem Reference Conexant Conexant AT Commands Advanced Users OnlyModem Reference Information Modem Reference InformationReference Information Conexant AT Commands Advanced Users OnlyCommand Modem Reference InformationCommand 92 Reference GuideConexant AT Commands Advanced Users Only Reference InformationReference Information Conexant AT Commands Advanced Users OnlyCommand Modem Reference Information94 Reference Guide ECC CommandsFAX Class Conexant AT Commands Advanced Users OnlyCommand Voice CommandsConexant AT Commands Advanced Users Only AT* Commands96 Reference Guide Modem Reference Information S-Registers ConexantSelected Result Codes Conexant DefaultSafety Information Safety InformationPower cords Safety Information Battery safetyLaser safety Safety Information LED safetyMercury safety Exposure to radio frequency radiation Safety InformationRegulatory Information Regulatory InformationU.S.A Connections to Peripheral DevicesApplicable 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 details Regulatory InformationRegulatory Information CanadaDeclaration of Conformity U.S.A European Union Regulatory InformationRegulatory Information Italy Indoor or outdoor use in a public area requires a user license106 Reference Guide JapanJapan Telecommunications Approval Reference InformationReference Information New ZealandPTC200 2.11.1 6 & 7 Compliance Testing Functional tests Regulatory InformationRegulatory Information RussiaInternational Regulatory Information SafetyReference Information Reference GuideIndex 110 Reference GuideQuickRestore System Recovery Reference Guide112 Reference Guide