HP 500B VS695UT 505B manual Solving Network Problems, Diagnostics reports a failure Cause

Page 88

No response from the USB keyboard and mouse during running of application.

Cause	Solution

The application has stopped responding.	Restart the computer.

Mouse does not respond to movement or is too slow.

Cause	Solution

Mouse connector is not properly plugged into the back of the	Shut down the computer if it still does not respond.
computer.

Mouse may be faulty.	Replace mouse.

Solving Network Problems

Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging the network cabling.

Network driver does not detect network controller.

Cause	Solution

Network controller is disabled.	Run the HP Setup Utility and enable the network controller.

Incorrect network driver.	Check the network controller documentation for the correct
	driver or obtain the latest driver from the manufacturer’s Web
	site.

Network status link light is not working or never flashes.

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

Cause	Solution

No active network is detected.	Check cabling and network equipment for proper connection.

Network controller is not set up properly.

Use the network control application to verify that the device is working properly.

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.

There is a problem with the cable or a device at the other end of the cable.

Ensure that the cable and device at the other end are operating correctly.

80 Appendix C Troubleshooting Without Diagnostics

Image 88

Contents Maintenance & Service Guide Page About This Book Iv About This Book Table of contents Appendix a Computer F10 Setup USB 102 Chassis Designations Product DescriptionHP 500B/505B Compaq 500B/505B, Compaq 510B/515B Product Description Removal and Replacement Procedures Microtower MT Chassis Preparation for DisassemblyAccess Panel 2Removing the Computer Access PanelPage Front Bezel 4Removing the Front BezelPage Memory DDR3-SDRAM DIMMs1DIMM Socket Locations Populating Dimm SocketsDescription Socket Color Installing Memory Modules 8DIMM locations 500B shown MemoryPage 2Expansion Slot Locations Expansion CardsItem Description PCI Express x1 expansion slot PCI expansion slot 14Removing the bracket cover Expansion Cards Page 18Lifting the card from the computer Expansion Cards Page Page Page Connector Name Connector Color Description Cable ManagementCable Connections 3Cable connections 500B/510B4Cable connections 505B/515B Installing Additional Drives DrivesSystem Board Drive Connections 5System Board Drive ConnectionsRemoving an Optical Drive Page Replacing an Optical Drive Removing a Hard Drive 36Disconnecting the hard drive cables Drives Page Replacing a Hard Drive Page Front I/O and USB Panel Housing Assembly Power Switch/LED Assembly Remove the optical drive Removing an Optical Drive onSystem Fan Heat sink assembly Intel Model 500B/510B Heat sink assembly AMD Model 505B/515B Processor Intel Model 500B/510B Page Processor AMD Model 505B/515B Power Supply Page 52Disconnecting the power cable Power Supply Page 56Removing the power supply screws Power Supply Page 59Power supply securing features System BoardBattery Type 1 Battery Holder Type 2 Battery Holder Type 3 Battery HolderPage Model 500B/510B Computer Setup F10 Utilities Computer F10 SetupUsing Computer Setup F10 Utilities Computer Setup-Main Table A-1Computer Setup-MainComputer Setup-Advanced Table A-2Computer Setup-AdvancedComputer Setup-Power Table A-3Computer Setup-PowerS5 Maximum Power SavingsComputer Setup-Boot Table A-4Computer Setup-BootComputer Setup-Exit Model 505B/515B Computer Setup F10 UtilitiesTable A-5Computer Setup-Exit Table A-6Computer Setup-Main Table A-7Computer Setup-Advanced Password Table A-8Computer Setup-PowerOther Appendix a Computer F10 Setup Table A-9Computer Setup-Boot Screen Boot Device PriorityPriority CD-ROM Group Boot Boot Priority Network Group BootTable A-10Computer Setup-Exit Diagnostics Interpreting Diagnostic Beep CodesTable B-1Diagnostic Beep Codes Beeps Diagnosis Recommended actionLED Codes State LED StatusTesting Memory Modules Accessing HP Insight DiagnosticsReason Result Improperly installed Post Error/Warning MessagesDefective Power Button/Power Button LED Using the Setup UtilityBios Updates Clearing CmosPage Troubleshooting Without Diagnostics Safety and Comfort Before You Call for Technical SupportHelpful Hints Solving General Problems Computer date and time display is incorrect CauseSolving Power Problems Poor performance is experienced Cause SolutionComputer is beeping and will not start Cause Computer will not turn on CauseSolving Hard Drive Problems Drive not found identified Cause SolutionSolving Media Card Reader Problems Blank screen no video Cause Solution Solving Display ProblemsPicture is broken up, rolls, jitters, or flashes Cause Solving Audio Problems Solving Keyboard and Mouse ProblemsSound cuts in and out Cause No sound CauseSolving Network Problems Diagnostics reports a failure CauseSolving Memory Problems Solving Memory ProblemsSolving CD-ROM and DVD Problems Headphone or microphone is not working Cause Solution Solving Front Panel Component ProblemsUSB device is not recognized by the computer Cause Connector Pin Assignments Pin Power for CPUConnector and Icon Pin Signal Ethernet BNCPin Signal MicrophoneHeadphone Line-in AudioPin Power ConnectorSignal Pin MonitorX1, x4, x8, and x16 PCI Express Connector Pin a Signal PCI ExpressX1, x4, x8, and x16 PCI Express Connector Pin B Signal GND PRSNT2# Rsvd Routine Care and Disassembly Preparation Electrostatic Discharge InformationGenerating Static Relative Humidity Event 55% 40% 10%Personal Grounding Methods and Equipment Preventing Electrostatic Damage to EquipmentStatic Shielding Protection Levels Recommended Materials and Equipment Grounding the Work AreaMethod Voltage Operating Guidelines General Cleaning Safety Precautions Cleaning the Computer CaseCleaning the Keyboard Routine CareService Considerations Cleaning the MonitorCleaning the Mouse Power Supply FanCables and Connectors Tools and Software RequirementsScrews Hard DrivesLithium Coin Cell Battery Serial ATA Sata Drive Guidelines and Features Serial ATA Hard Drive CharacteristicsSata Hard Drives Sata Hard Drive CablesSmart ATA Drives Hard Drive CapacitiesJapanese Power Cord Requirements Power Cord Set RequirementsGeneral Requirements Country-Specific Requirements Country Accrediting AgencySpecifications Table H-1SpecificationsAcoustic noise Symbols/Numerics IndexSata