Solving Audio Problems | HP 8200 SM774UP manual

Solving Audio Problems

If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table.

Table C-7Solving Audio Problems

Sound cuts in and out.

Cause

Solution

Processor resources are being used by other open applications.

Shut down all open processor-intensive applications.

Sound does not come out of the speaker or headphones.

Cause	Solution

Software volume control is turned down or muted.	Double-click the Speaker icon on the taskbar, then make
	sure that Mute is not selected and use the volume slider to
	adjust the volume.

Audio is hidden in Computer Setup.	Enable the audio in Computer Setup: Security >
	Device Security > System Audio.

The external speakers are not turned on.	Turn on the external speakers.

The audio device may be connected to the wrong jack.	Ensure that the device is connected to the correct jack on the
	computer. The speakers should be plugged into the rear line-
	out jack and the headphones should be plugged into the
	front headphone jack.

External speakers plugged into the wrong audio jack on a	See the sound card documentation for proper speaker
recently installed sound card.	connection.

Digital CD audio is not enabled.	Enable digital CD audio. In the Device Manager, right-click
	on the CD/DVD device and select Properties. Make sure
	Enable digital CD audio for this CD-ROM device is
	checked.

Headphones or devices connected to the line-out connector	Turn on and use headphones or external speakers, if
mute the internal speaker.	connected, or disconnect headphones or external speakers.

Computer is in standby mode.	Press the power button to resume from standby mode.
	CAUTION: When attempting to resume from standby
	mode, do not hold down the power button for more than four
	seconds. Otherwise, the computer will shut down and you
	will lose any unsaved data.

Internal speaker is disabled in Computer Setup.	Enable the internal speaker in Computer Setup. Select
	Advanced > Device Options > Internal Speaker.

The application is set to use a different audio device than	Some graphics cards support audio over the DisplayPort
speakers.	connection, so multiple audio devices may be listed in
	Device Manager. Make sure the correct device is being
	used.

112 Appendix C Troubleshooting Without Diagnostics

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HP 8200 SM774UP manual Table C-7Solving Audio Problems

Contents

Maintenance & Service Guide Maintenance & Service Guide About This Book Iii Iv About This Book Table of contents Removal and Replacement Procedures All-in One AIO Chassis 101 102104 107 Ethernet BNC 130 Microphone 130 Headphone 131 Line-in Audio Line-out AudioAll-in One Models 134 Viii Product Features OverviewPage Front Components Front Components1Front Components Component Side Components 2Side Components Rear Components Rear Components3Rear Components Adjusting Tilt 5Adjusting Tilt Product Features Installing and Customizing the Software Installing the Operating SystemDownloading Microsoft Windows Updates Installing or Upgrading Device Drivers Windows systems Accessing Disk Image ISO FilesProtecting the Software Computer Setup F10 Utility Computer Setup F10 Utilities Using Computer Setup F10 Utilities Computer Setup-File 1Computer Setup-File Computer Setup-Storage 2Computer Setup-StorageOption Description Device Configuration Storage Options Removable Media Boot Boot Order Shortcut to Temporarily Override Boot OrderDPS Self-Test Computer Setup-Security 3Computer Setup-Security Network Boot Slot SecuritySystem IDs System Security DriveLock Security Computer Setup-Power 4Computer Setup-Power Computer Setup-Advanced 5Computer Setup-Advanced AMT Configuration Device Options Serial ATA Sata Drive Guidelines and Features Serial ATA Hard Drive CharacteristicsSata Hard Drives Sata Hard Drive Cables Smart ATA Drives Hard Drive CapacitiesSmart ATA Drives Chassis Designation All-in OneAn all-in one form factor is available Electrostatic Discharge Information Generating StaticPreventing Electrostatic Damage to Equipment Relative Humidity Event 55% 40% 10% Personal Grounding Methods and Equipment Grounding the Work AreaRecommended Materials and Equipment Static Shielding Protection Levels Operating Guidelines General Cleaning Safety Precautions Cleaning the Computer CaseCleaning the Keyboard Routine Care Service Considerations Cleaning the MonitorCleaning the Mouse Tools and Software Requirements Cables and Connectors Lithium Coin Cell BatteryHard Drives Removal and Replacement Procedures All-in One AIO Chassis Preparing to Disassemble the Computer Synchronizing the Optional Wireless Keyboard or Mouse Page Center Access Panel Stand Memory Access Panel Drive Access Panel Page Optical Drive Page Hard Drive 14Loosening the hard drive security screw Hard DrivePage Slide the hard drive out of the cage Memory 20Removing a memory module Memory Page Top Panel Webcam Module Page Rear Cover System Board Cover Page Sidekey Board Page Page Converter Board Page Speakers Wlan Module Page Heat Sink Thermal Module Lift the heat sink from the computer Processor 44Removing the processor ProcessorPage Fan Assembly Page Display Cable Page System Board Updating Smbios Information Setup Field Name Comment Label Go to Security System ID’s Removal and Replacement Procedures All-in One AIO Chassis Stand Bracket Page Hard Drive and Optical Drive Cables and Connectors Page Front Bezel Display Panel Page Page 60Samsung panel bracket locations Page Password Security and Resetting Cmos Establishing a Setup or Power-on Password Appendix a Password Security and Resetting Cmos Resetting a Setup or Power-on Password Clearing and Resetting the Cmos Clearing and Resetting the Cmos Locate, press, and hold the Cmos button in for five seconds Post Error Messages Post Numeric Codes and Text Messages Post Numeric Codes and Text MessagesTable B-1Numeric Codes and Text Messages Appendix B Post Error Messages Test under Storage DPS Self-test Appendix B Post Error Messages Bios Appendix B Post Error Messages Options SERR# Generation Disable Table B-2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Board needs to be replaced Troubleshooting Without Diagnostics Safety and ComfortSafety and Comfort Solving General Problems Appendix C Troubleshooting Without DiagnosticsTable C-1Solving General Problems Computer date and time display is incorrect Cause Solution Solving General Problems There is no sound or sound volume is too low Cause SolutionPoor performance is experienced Cause Solution Cause Solution Solving Power Problems Solving Power ProblemsTable C-2Solving Power Problems Solving Diskette Problems Table C-3Solving Diskette Problems Solving Diskette Problems Solving Hard Drive Problems Table C-4Solving Hard Drive Problems Solving Hard Drive Problems Power-OnAdvanced Power-On Options Nonsystem disk/NTLDR missing message Cause Solution Computer will not boot from hard drive Cause Solution Computer seems to be locked up Cause Solution Solving Media Card Reader Problems Solving Media Card Reader ProblemsTable C-5Solving Media Card Reader Problems Can not write to the media card Cause Solving Display Problems Table C-6Solving Display ProblemsBlank screen no video Cause Solution Solving Display Problems Dim characters Cause Solution Image is not centered Cause Solution Out of Range displays on screen Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Certain typed symbols do not appear correct Cause Solution Symbol. Click Start All Programs Accessories Solving Audio Problems Table C-7Solving Audio Problems Solving Audio Problems Sound from headphones is not clear or muffled CauseThere is no sound or sound volume is too low Cause Line-in jack is not functioning properly Cause Solving Printer Problems Solving Keyboard and Mouse ProblemsTable C-8Solving Printer Problems Solving Keyboard and Mouse Problems Table C-9Solving Keyboard ProblemsTable C-10Solving Mouse Problems Appendix C Troubleshooting Without Diagnostics Solving Hardware Installation Problems Solving Hardware Installation ProblemsTable C-11Solving Hardware Installation Problems Computer will not start Cause Solution Solving Network Problems Solving Network Problems Table C-12Solving Network Problems Diagnostics reports a failure Cause Solving Memory Problems Solving Memory ProblemsTable C-13Solving Memory Problems New network card will not boot Cause Solving Processor Problems Out of memory error Cause SolutionMemory count during Post is wrong Cause Solution Insufficient memory error during operation Cause Solution Solving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsTable C-14Solving Processor Problems Table C-15Solving CD-ROM and DVD Problems Movie will not play in the DVD drive Cause Solution Cannot eject compact disc tray-load unit Cause Solving USB Flash Drive Problems Solving USB Flash Drive ProblemsTable C-16Solving USB Flash Drive Problems USB flash drive not found identified Cause Solution Solving Internet Access Problems Table C-17Solving Internet Access ProblemsSystem will not boot from USB flash drive Cause Solution Unable to connect to the Internet Cause Solution Solving Internet Access Problems Solving Software Problems Table C-18Solving Software Problems Contacting Customer Support Connector Pin Assignments Appendix D Connector Pin AssignmentsEthernet BNC Microphone Headphone Line-in AudioLine-out Audio Power Cord Set Requirements Japanese Power Cord RequirementsGeneral Requirements Country-Specific Requirements Country Accrediting Agency Specifications Appendix F SpecificationsTable F-1Specifications All-in One Models Audible codes 94 audio problems Index Sata