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HP AMC20493-001-KT5 manual Troubleshooting Your Computer, Audio Problems, If no sound is audible

Models: AMC20493-001-KT5 AMC20493-001 AMC20493-001-KT3 AMC20493-001-KT1

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Troubleshooting and Maintenance

Troubleshooting Your Computer

Troubleshooting Your Computer

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

Here are some other sources of information for troubleshooting:

∙Open the HP Web-based troubleshooting tool: click Start, All Programs, HP Instant Support. Search or browse the troubleshooting database for the information related to your problem.

∙Click Start, Help and Support, Fixing a Problem, and use the Windows troubleshooters.

∙See the Microsoft Windows manual shipped with the computer.

∙See the HP Notes in the online HP Library for updated information.

∙Find technical tips and software updates for the computer at the HP Business Support Web site (www.hp.com/go/bizsupport).

∙Test your computer by running the e-Diagtools test program. See “Testing the Hardware” on page 115.

∙Contact your dealer or Hewlett-Packard—see “To contact HP for support or service” on page 126. Please have your computer with you when you call.

Audio Problems

If no sound is audible

∙If your model has a volume control, press the back end of it several times.

∙Click the speaker icon on the taskbar (if present), and make sure that Mute is not checked and the Volume Control slider is not set to the bottom. Or, if your model has an audio mute button, press it so the indicator light goes off.

∙When you are operating your computer 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.

96 Reference Guide

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HP AMC20493-001-KT5, AMC20493-001-KT3 manual Troubleshooting Your Computer, Audio Problems, If no sound is audible

Contents

HP Notebook PC Reference Guide Reference Guide Important Safety Information HP Software Product License AgreementMeets the requirements of ACA Technical Standard TS008 Reference Guide Edition History Page Contents Batteries and Power Management Modem and Network ConnectionsAdd-On Devices Troubleshooting and Maintenance HP Support and Service Reference InformationIndex 157 Getting Started with Your HP Notebook To buy accessories Taking InventoryWhat’s in the box? To find more information Source Description and Location Identifying Parts of the Computer Front View Back View Bottom View Power mode Battery statusStatus Lights Hard disk drive activity Identifying Parts of the Computer Setting Up Your Computer Install the battery To remove the battery Connect AC power Connect a phone line Set up Windows Turn on the computerHint Register your notebook To connect to the InternetWhat to do next Basic Operation Operating Your Computer To turn the computer on and off To reset the computer To change the boot device To use the touch pad Moving and selecting Scrolling with the scroll pad To use the Fn hot keys This hot key Does this To use the One-Touch buttons To reprogram a One-Touch button To use the Windows and Applications keys This key combination Does this To use the embedded keypad To use the ALT GR key To adjust the display Changing display settingsUsing an external monitor Changing the brightness To adjust the volume To change computer settings for a presentationTo increase or decrease the volume To mute the audio To show the presentation Using CDs or DVDs Computer could stop responding and you could lose data To play DVD movies To create or copy CDs To set up password protection Bios Setup UtilitySecuring Your Computer To lock your computer To attach a security cable To protect against viruses To lock the hard disk driveDisk drive Working in Comfort with a Notebook PC Your Mobile Work Environment Using Your Mobile Computer Taking Care of Your Computer To protect your hard disk driveTo maintain your computer To safeguard your data To extend the life of the display To clean your computer Batteries and Power Management Managing Power Consumption How the computer manages power automaticallyInformation that was not saved will be lost Changing timeout settings and creating power schemes Unsaved data if the computer’s battery runs down completelyManaging CPU power To manage power manually Off Using Battery Power To check battery status To respond to a low-battery warning To recharge the batteryTo get the most from your batteries Using Battery Power Page Modem and Network Connections Using the Modem To connect the modem Signing up with an Internet Service Provider Connecting to the Internet To disconnect from the Internet To dial in to a network To change your modem settings To send and receive e-mail To start Outlook ExpressTo send an e-mail message To receive e-mail messages To send and receive faxes Connecting to a LAN To connect to a LAN Making Wireless Network Connections Connecting to an Existing Wireless NetworkTo prepare for connections Creating a New Computer-to-Computer Network AdHoc To turn wireless communication on and off Turning on communication and making a connection Turning off communication and ending a connection Making Wireless Bluetooth Connections To turn Bluetooth communication on and offTurning on Bluetooth communication Turning off Bluetooth communication To prepare for Bluetooth connections To send or receive files using Bluetooth Sharing files with another Bluetooth device FTPSending Outlook data to another Bluetooth device OPP To connect to a Bluetooth printer or serial device To make a dial-up connection via a Bluetooth phone Page Add-On Devices Connecting PC Cards To insert or remove a PC CardInserting a PC Card Removing a PC Card Lose data Connecting External Devices To identify connectors for external devicesLocating connectors on the computer Locating connectors on the port replicator To connect a printer or other parallel device To connect an external keyboard or mouseTo connect a USB device To connect an audio device Connecting an external monitor Switching the display to the external monitorAdjusting monitor resolution and other settings To use an external monitor Using dual display mode To use a TV set as a monitorTo connect a TV set To activate the TV display To play DVD movies on the TV To connect an Ieee 1394 device To connect a serial deviceTo connect an infrared device Using the infrared port Disabling the infrared portPrinting to an infrared printer Transferring files through an infrared connection Adapter that meets the power requirements of the computer Accessories F1455A and F2297ATo dock to the port replicator To undock from the port replicator Installing Additional RAM To install a RAM expansion module To remove a RAM expansion module Replacing the Hard Disk Drive To replace the hard disk drive To replace the hard disk drive holder To prepare a new hard disk drive Page Troubleshooting and Maintenance Troubleshooting Your Computer Audio ProblemsIf no sound is audible CD-ROM and DVD Problems If you can’t boot from a CD or DVD in the CD/DVD driveIf sound does not record If a DVD plays erratically If you get a Region Code error when playing a DVD movie If a DVD movie stops playing in the middleIf the computer cannot read a CD or DVD If a DVD movie doesn’t fill the screen Display Problems If the computer is on, but the screen is blankIf the screen is difficult to read If an external display does not work Hard Disk Drive Problems If the computer’s hard drive doesn’t spinIf the hard disk makes a buzzing or whining noise If files are corrupted Heat Problems Infrared ProblemsIf you have problems with infrared communications If the computer gets abnormally hot Keyboard and Pointing Device Problems LAN Problems If you can’t type the euro symbolIf you can’t update or reinstall One-Touch software If the built-in network adapter doesn’t connect to the LAN Memory Problems Modem Problems If the modem doesn’t dial or no dial tone is detected If the modem dials incorrectlyIf the modem dials but doesn’t connect If the modem causes an Error message If the modem isn’t detectedIf the modem dials but you can’t hear it If the modem connects, but transferred data is bad PC Card Pcmcia Problems If the modem clicks repeatedly but doesn’t connectIf the notebook doesn’t recognize a PC Card If an I/O card stops communicating properly Performance Problems If the computer pauses or runs sluggishlyIf the computer stops responding Port Replicator Problems Power and Battery Problems If the Time Remaining for the battery is not correct If the computer has a short operating time Printing Problems Serial, Parallel, and USB Problems If a serial mouse doesn’t workIf a serial modem doesn’t work properly Startup Problems If the computer doesn’t respond when you turn it onIf the computer won’t boot from battery power If the serial or parallel port is not working Wireless Problems If the computer won’t boot from the floppy disk driveIf the computer stops responding after booting If you have problems with wireless 802.11 communication If your computer cannot detect any Bluetooth devices If your computer cannot detect a certain Bluetooth deviceIf you can connect, but the network is slow Testing the Hardware To run the e-Diagtools diagnostic test Testing the Hardware Configuring the Computer To run the Bios Setup utility Setting DefaultMain Menu Description Setting Description System Devices MenuSecurity Menu Boot Menu Exit Menu Reinstalling and Updating Software To recover the factory installation of your hard disk To replace a damaged Recovery CD or DVD To update the BiosPC Identification and Bios passwords To update Windows drivers HP Support and Service To contact HP for support or service Getting Assistance for Your ComputerTo get help from the Web HP will not be able to help with questions about Pavilion models To receive repair service To prepare your computer for shipment Hewlett-Packard Limited Warranty Statement Duration of Limited Warranty ProductPage Reference Information Hardware Specifications Physical AttributesProcessor Models with Technology Code KA Bus Architecture Models with Technology Code KB Power Mass Storage Audio System Keyboard and Pointing Devices Wireless LAN Bluetooth PAN Major ICs Models with Technology Code KA AT Commands Conexant CommandModem Reference Information Modem Reference Conexant Modem Reference Information +GCAP Command Function Conexant Qcpc ECC Commands FAX Class Voice Commands AT* Commands Registers Conexant Selected Result Codes ConexantRegister Range/units Safety Information Power CordsCountry or Region Rated Voltage and Current Ergonomics Battery Safety Laser Safety LED Safety Mercury Safety Exposure to Radio Frequency Radiation Regulatory Information Connections to Peripheral Devices Canada Declaration of Conformity U.S.AResponsible Party Trade name European Union Regulatory Information Japan Japan Telecommunications Approval Russia International EMC Page Index Reference Guide Reference Guide USB