HP 2502AP, 2500, 2186AF, 2509 Troubleshooting Your Notebook, Audio problems, If no sound is audible

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Troubleshooting and Maintenance

Troubleshooting Your Notebook

Troubleshooting Your Notebook

This chapter contains solutions to many types of problems you might have with your notebook. Try the solutions one at a time, in the order in which they are presented.

Here are some other sources of information for troubleshooting:

•Use the Windows troubleshooters. Select Start > Help and Support.

•Select the question mark One-Touch key located at the top of the keyboard.

•See the Microsoft Windows manual shipped with the notebook.

•For customer service, refer to the Worldwide Telephone Numbers booklet to contact an authorized dealer, reseller, or service provider.

Audio problems

If no sound is audible

•If your model has a volume control, press the + (plus) button to increase the volume.

•Select the speaker icon on the taskbar (if present). Clear the Mute all checkbox if selected. If your model has an audio mute button, press it so the indicator light goes off.

•When you are operating your notebook in MS-DOS mode (for example, when running MS-DOS games), you may find that the sound does not operate properly. Use Windows applications for full use of sound capabilities.

If sound does not record

•Plug in an external microphone. The notebook does not have a built-in microphone.

•Check the software controls for recording sound. Select Start > All Programs > Accessories > Multimedia (or Entertainment) > Sound Recorder.

•In Volume Control, select Option > Properties, and make sure the microphone is enabled in the recording controls.

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Contents Compaq Notebook Series Reference Guide Reference Guide Second Edition March Part Number Important Safety Information Iv Reference Guide Software Product License AgreementReference Guide Vi Reference Guide Contents Batteries and Power Management Troubleshooting and Maintenance Index Getting Started with Your Notebook Front panel and right panel components Identifying Parts of the NotebookCD-ROM, DVD, or other drive Universal serial bus port USB Left panel and back panel components PC Card and CardBus slot and buttons Bottom panel components Identifying Parts of the Notebook Battery status Power modeStatus lights Hard drive activityIdentifying Parts of the Notebook Insert the battery Setting Up Your NotebookConnect AC power Connect a phone line Turn on the notebook Set up WindowsHint 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 TouchPad on-off button and indicator lightThis hot key Does this To use the function hot keysTo program a One-Touch button To use the One-Touch buttonsTo use the ALT GR key To use the Windows and Applications keysThis key combination Does this To insert or remove a CD or DVD Using CDs or DVDsCould stop responding and you could lose data Onto the spindleTo 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 drive To lock the hard driveTo protect your hard drive Taking Care of Your NotebookTo maintain your notebook To clean your notebook To safeguard your dataTo extend the life of the display Batteries and Power Management How the notebook manages power automatically Managing Power ConsumptionInformation that was not saved will be lost Unsaved data if the notebook battery runs down completely Changing timeout settings and creating power schemesTo check battery status Using Battery PowerTo recharge the battery To respond to a low-battery warningTo get the most from your batteries Using Battery Power Modem and Network Connections Your 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 Connecting to an existing wireless network Making Wireless Network Connections select models onlyTo prepare for connections Creating a New Notebook-to-Notebook Network Ad Hoc Individual wireless functions Purchase a license before using the wireless functionTurning on communication and making a connection 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 connectionsSharing files with another Bluetooth device FTP To send or receive files using BluetoothSending Outlook data to another Bluetooth device OPP Add-On Devices Connecting PC Cards Connecting External DevicesInserting a PC Card Connecting External Devices These jacks may damage the notebook Audio recorderAudio ports on your notebook Adjusting monitor resolution and other settings Connecting an external monitorTo use an external monitor To 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 Corresponding port on the port replicator is ignored To dock to the port replicatorTo undock from the port replicator To install a RAM expansion module Installing Additional RAM MemoryBack of the notebook Installing Additional RAM Memory To remove a RAM expansion module Installing Additional RAM Memory To replace the hard drive Replacing the Hard DriveTo replace the hard drive holder To prepare a new hard 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 Heat problems Hard drive problemsKeyboard and pointing device problems Infrared problemsIf a PS/2 scroll mouse doesn’t work Local area network LAN problemsIf the built-in network adapter doesn’t connect to the LAN If you can’t log in to Netware serversModem 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 Time Remaining for the battery is not correct If the battery does not chargeIf the notebook has a short operating time Printing problems If a serial mouse doesn’t work Serial, parallel, and USB problemsIf a serial modem does not work properly If the serial or parallel port is not workingStartup problems If you have problems with wireless 802.11 communication Wireless problemsIf your notebook cannot detect a certain Bluetooth device If your notebook cannot detect any Bluetooth devicesIf you can connect, but the network is slow 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 Information Command ConexantModem Reference Conexant G,h,i G,h +MCR ECC Commands +FMR AT* CommandsCode Meaning Register Function Conexant Range/units DefaultPower cords Safety InformationCountry or Region Rated Voltage and Current 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 ZealandRussia International EMC Index QuickRestore System Recovery USB
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2547EA, 2552AI, 2541AH, 2543AH, 2542EA specifications

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