Solving audio problems | HP 8300E B8U11UT#ABA specs

Table 8-5Solving display problems (continued)

Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on the screen (flat panel monitors using an analog VGA input connection only).

Cause	Solution

Driver issue.	1.	Reboot.
	2.	Verify the correct drivers are installed for graphics.

Monitor issue.	Check the monitor on a different computer to verify whether
	the issue is with the monitor.

Certain typed symbols do not appear correct.

Cause	Solution

The font you are using does not support that particular	Use the Character Map to locate and select the appropriate
symbol.	symbol. Click Start > All Programs > Accessories >
	System Tools > Character Map. You can copy the symbol
	from the Character Map into a document.

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 8-6Solving 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 recently installed sound card.

See the sound card documentation for proper speaker connection.

120 Chapter 8 Troubleshooting Without Diagnostics

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HP 8300E B8U11UT#ABA manual 6Solving audio problems

Contents

Maintenance & Service Guide Maintenance & Service Guide About This Book Iii Iv About This Book Table of contents Routine Care and Disassembly Preparation 105 107109 110 Models 156 157 Viii Product Features OverviewPage Component Front components1Front components Side components 2Side components 3Rear components Rear componentsRear components Adjusting the tilt/swivel base 6Adjusting swivel Product Features Height adjustable/recline stand optional Page Downloading Microsoft Windows updates Installing and customizing the softwareInstalling the operating system Protecting the software Installing or upgrading device drivers Windows systemsAccessing disk image ISO files Computer Setup F10 Utility Computer Setup F10 utilities Using Computer Setup F10 utilities Computer Setup-File 1Computer Setup-File Computer Setup-Storage 2Computer Setup-Storage Computer Setup-Security 3Computer Setup-Security Network Boot Master Boot RecordSlot Security System IDs System Security DriveLock Security Computer Setup-Power 4Computer Setup-Power Computer Setup-Advanced 5Computer Setup-AdvancedOption Heading Power-On Options Bios Power-On VGA Configuration Bus OptionsDevice Options Operations How to access and run HP PC Hardware Diagnostics HP PC Hardware DiagnosticsWhy run HP PC Hardware Diagnostics Downloading HP PC Hardware Diagnostics to a USB device Serial ATA Sata Drive Guidelines and Features Serial ATA Hard Drive CharacteristicsSata Hard Drives Sata Hard Drive Cables Hard Drive Capacities Serial ATA Sata Drive Guidelines and FeaturesSmart ATA Drives Routine Care and Disassembly Preparation 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 displayCleaning the mouse Tools and software requirements Hard drives Cables and connectorsLithium coin cell battery Removal and Replacement Procedures All-in One AIO Chassis Preparing to disassemble the computer Removing the rear port cover Cable management cover Installing an access panel security screw Synchronizing the optional wireless keyboard or mousePage Access panel Page Stand Page 12Lower panel location To remove the access panel Lower panel Metal plate Metal plate is located under the standPage Remove the access panel see Access panel on Replacing drives Replacing drivesPage Page Page Replacing the optical disc drive 23Optical drive locationPage Page Memory 1Identifying Sodimm locations Location System Board Label ChannelPage Replacing the battery Page Serial port 34Serial port location To remove the serial portPage Remove the access panel see Access panel on Webcam module Webcam modulePage Page Converter board 40Converter board location To remove the converter boardPage Inch Touch sensor board Page To remove the heat sink Heat sinks Graphics board and processorGraphics heat sink Processor heat sink model Processor heat sink model Lift the heat sink assembly from the computer Processor MSATA Solid-State Drive Wlan module To remove the mSATA SSDPage Page Graphics board 54Graphics board location To remove the graphics boardPage Speakers 56Speaker location To remove the speakers Fan Side panels 59Side panel locations To remove the side panels Rotate the panel out and off of the computer Power supply 61Power supply location To remove the power supply 63Removing the power supply Power supply Page System board Remove the processor see Processor onPage Page Page Page Updating Smbios Information Setup Field Name Comment Label Card reader board Page Power button board Page Page Front bezel Page Right 4 screws Bottom 2 screw Antenna Page To install the antenna, reverse the removal procedures Display panelPage 81Display panel screw locations 6300 models CMI panel Page Page Inch Hood sensor Page Hard drive and optical drive cables and connectors Page Safety and comfort Troubleshooting Without DiagnosticsSafety and comfort 1Solving general problems Solving general problemsTroubleshooting Without Diagnostics Solving general problems Computer date and time display is incorrect Cause SolutionThere is no sound or sound volume is too low Cause Solution Poor performance is experienced Cause Solution Cause Solution Solving general problems Solving power problems Solving hard drive problems2Solving power problems 3Solving hard drive problems Solving hard drive problems Computer seems to be locked up Cause Solution Computer will not boot from hard drive Cause SolutionStorage Boot Order Solving media card reader problems Solving media card reader problems4Solving media card reader problems Can not write to the media card Cause Blank screen no video Cause Solution Solving display problems5Solving display problems Solving display problems Out of Range displays on screen Cause Solution Solving audio problems 6Solving audio problems Solving audio problems Enable digital CD audio for this CD-ROM device isSound from headphones is not clear or muffled Cause Advanced Device Options Internal Speaker Solving printer problems 7Solving printer problemsThere is no sound or sound volume is too low Cause Printer will not print Cause Solution Solving keyboard and mouse problems Solving keyboard and mouse problems8Solving keyboard problems Printer prints garbled information Cause Solution 9Solving Mouse Problems Solving hardware installation problems Solving hardware installation problems10Solving hardware installation problems Computer will not start Cause Solution Troubleshooting Without Diagnostics 11Solving network problems Solving network problemsSolving network problems Diagnostics reports a failure Cause Solution Solving memory problems Solving memory problems12Solving memory problems New network card will not boot Cause Insufficient memory error during operation Cause Solution Out of memory error Cause SolutionMemory count during Post is wrong Cause Solution Solving processor problems Solving CD-ROM and DVD problemsSolving processor problems 13Solving processor problems Movie will not play in the DVD drive Cause Solution Solving USB flash drive problems Solving USB flash drive problems15Solving USB flash drive problems Cannot eject compact disc tray-load unit Cause Solving internet access problems 16Solving internet access problems Solving internet access problems Solving software problems 17Solving software problems Post Error Messages Post Error Messages Post Numeric Codes and Text Messages1Numeric Codes and Text Messages Control panel message Description Recommended action Post Numeric Codes and Text Messages Verify monitor is attached and turned Test under Storage DPS Self-test Options Sata Emulation to IDE,Select File Save Changes and Exit Security Drivelock Security. For each Post Error Messages Bios Occurred prior to the ME firmware update Post Numeric Codes and Text Messages Interpreting Post diagnostic front panel LEDs 2Diagnostic front panel LEDs and audible codesActivity Possible Cause Recommended Action Desktop Management Guide for more Post Error Messages Password Security and Resetting Cmos Establishing a Setup or Power-on password Password Security and Resetting Cmos Resetting the Setup and Power-on password Clearing and resetting the Cmos Locate, press, and hold the Cmos button in for five seconds Cmos button General requirements Power Cord Set RequirementsJapanese Power Cord Requirements Country-specific requirements Country Accrediting Agency Specifications Appendix B SpecificationsTable B-1Specifications Models Table B-2Specifications Models Index Cmos Sata