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HP 8300E B8U11UT#ABA manual Diagnostics reports a failure Cause Solution

Models: 8300E B8U11UT#ABA

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Table 8-11Solving network problems (continued)

Network status link light never flashes.

NOTE: The network status light is supposed to flash when there is network activity.

Cause	Solution

Network controller is disabled.	1.	Run Computer Setup and enable network controller.
	2.	Enable the network controller in the operating system
		via Device Manager.

Network driver is not properly loaded.	Reinstall network drivers.

System cannot autosense the network.	Disable auto-sensing capabilities and force the system into
	the correct operating mode.

Diagnostics reports a failure.

Cause	Solution

The cable is not securely connected.

Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device.

The cable is attached to the incorrect connector.	Ensure that the cable is attached to the correct connector.

There is a problem with the cable or a device at the other	Ensure that the cable and device at the other end are
end of the cable.	operating correctly.

The network controller is defective.	Contact an authorized service provider.

Diagnostics passes, but the computer does not communicate with the network.

Cause

Solution

Network drivers are not loaded, or driver parameters do not match current configuration.

Make sure the network drivers are loaded and that the driver parameters match the configuration of the network controller.

Make sure the correct network client and protocol is installed.

The network controller is not configured for this computer.

Select the Network icon in the Control Panel and configure the network controller.

Network controller stops working without apparent cause.

Cause	Solution

The files containing the network drivers are corrupted.	Reinstall the network drivers, using the Recovery Disc Set
	created from the hard drive's Recovery Partition.

The cable is not securely connected.	Ensure that the cable is securely attached to the network
	connector and that the other end of the cable is securely
	attached to the correct device.

The network controller is defective.	Contact an authorized service provider.

128 Chapter 8 Troubleshooting Without Diagnostics

Image 136

HP 8300E B8U11UT#ABA manual Diagnostics reports a failure Cause Solution

Contents

Maintenance & Service Guide Maintenance & Service Guide About This Book IiiIv About This Book Table of contents Routine Care and Disassembly Preparation 105 107109 110Models 156 157 ViiiProduct Features OverviewPage 1Front components Front componentsComponent Side components 2Side componentsRear components Rear components3Rear components Adjusting the tilt/swivel base 6Adjusting swivel Product FeaturesHeight adjustable/recline stand optional Page Installing the operating system Installing and customizing the softwareDownloading Microsoft Windows updates Accessing disk image ISO files Installing or upgrading device drivers Windows systemsProtecting the software Computer Setup F10 Utility Computer Setup F10 utilitiesUsing Computer Setup F10 utilities Computer Setup-File 1Computer Setup-FileComputer Setup-Storage 2Computer Setup-StorageComputer Setup-Security 3Computer Setup-SecurityNetwork Boot Master Boot RecordSlot Security System IDsSystem Security DriveLock SecurityComputer Setup-Power 4Computer Setup-PowerComputer Setup-Advanced 5Computer Setup-AdvancedOption Heading Power-On Options Bios Power-OnVGA Configuration Bus OptionsDevice Options OperationsWhy run HP PC Hardware Diagnostics HP PC Hardware DiagnosticsHow to access and 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 CablesSmart ATA Drives Serial ATA Sata Drive Guidelines and FeaturesHard Drive Capacities 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 LevelsOperating Guidelines General cleaning safety precautions Cleaning the computer caseCleaning the keyboard Routine CareService Considerations Cleaning the displayCleaning the mouse Tools and software requirementsLithium coin cell battery Cables and connectorsHard drives Removal and Replacement Procedures All-in One AIO Chassis Preparing to disassemble the computerRemoving the rear port cover Cable management coverInstalling 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 panelMetal 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 Graphics heat sink Heat sinks Graphics board and processorTo remove the 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 speakersFan Side panels 59Side panel locations To remove the side panelsRotate the panel out and off of the computer Power supply 61Power supply location To remove the power supply63Removing the power supply Power supply Page System board Remove the processor see Processor onPage Page Page Page Updating Smbios Information Setup Field Name Comment LabelCard 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 Troubleshooting Without Diagnostics Solving general problems1Solving general problems 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 SolutionCause Solution Solving general problems Solving power problems Solving hard drive problems2Solving power problems 3Solving hard drive problemsSolving hard drive problems Storage Boot Order Computer will not boot from hard drive Cause SolutionComputer seems to be locked up Cause Solution Solving media card reader problems Solving media card reader problems4Solving media card reader problems Can not write to the media card Cause5Solving display problems Solving display problemsBlank screen no video Cause Solution Solving display problems Out of Range displays on screen Cause SolutionSolving audio problems 6Solving audio problemsSolving audio problems Enable digital CD audio for this CD-ROM device isSound from headphones is not clear or muffled Cause Advanced Device Options Internal SpeakerSolving printer problems 7Solving printer problemsThere is no sound or sound volume is too low Cause Printer will not print Cause SolutionSolving keyboard and mouse problems Solving keyboard and mouse problems8Solving keyboard problems Printer prints garbled information Cause Solution9Solving Mouse Problems Solving hardware installation problems Solving hardware installation problems10Solving hardware installation problems Computer will not start Cause SolutionTroubleshooting Without Diagnostics Solving network problems Solving network problems11Solving network problems Diagnostics reports a failure Cause Solution Solving memory problems Solving memory problems12Solving memory problems New network card will not boot CauseMemory count during Post is wrong Cause Solution Out of memory error Cause SolutionInsufficient memory error during operation Cause Solution Solving processor problems Solving CD-ROM and DVD problemsSolving processor problems 13Solving processor problemsMovie 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 CauseSolving internet access problems 16Solving internet access problemsSolving internet access problems Solving software problems 17Solving software problemsPost Error Messages Post Error Messages Post Numeric Codes and Text Messages1Numeric Codes and Text Messages Control panel message Description Recommended actionPost 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 eachPost 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 ActionDesktop Management Guide for more Post Error Messages Password Security and Resetting CmosEstablishing a Setup or Power-on password Password Security and Resetting CmosResetting the Setup and Power-on password Clearing and resetting the Cmos Locate, press, and hold the Cmos button in for five seconds Cmos buttonJapanese Power Cord Requirements Power Cord Set RequirementsGeneral requirements Country-specific requirements Country Accrediting AgencySpecifications Appendix B SpecificationsTable B-1Specifications ModelsTable B-2Specifications ModelsIndex CmosSata