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HP dx2310 manual Interpreting Diagnostic Lights and Audible Codes

Models: dx2310

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Troubleshooting Without Diagnostics

Interpreting Diagnostic Lights and Audible Codes

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This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them.

If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes.

Recommended actions in the following table are listed in the order in which they should be performed.

Replace the system board or power supply only as the last resort.

D–6

490778-001

Service Reference Guide

Page 77

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HP dx2310 manual Interpreting Diagnostic Lights and Audible Codes

Contents

Document Part Number service reference guideHP Compaq dx2310 MT/dx2318 MT Business PCs 1st Edition Document Part Number Service Reference GuideHP Compaq dx2310 MT/dx2318 MT Business PCs 1st Edition Document Part Number Service Reference GuideHP Compaq dx2310 MT/dx2318 MT Business PCs First Edition April 1 Installing the Operating System Contents2 Setup Utilities and Diagnostics Features 4 Serial ATA Drive Guidelines and Features6 Removal and Replacement Procedures-Microtower MT Chassis 5 Identifying the Chassis, Routine Care, and Disassembly PreparationRemove the computer access panel and front bezel MT chassis 6.3.1 Removing a 5.25 Drive Bezel Blank/MT ChassisC POST Error Messages D Troubleshooting Without Diagnostics E Memory A Connector Pin Assignments B Power Cord Set RequirementsContents Service Reference Guide1.1 Microsoft Windows XP/Windows Vista/ Redflag Linux Installing the Operating System1.3 HP Software 1.2 Converting to NTFS Associated with Windows OS2.1 Power-On Self-Test POST Setup Utilities and Diagnostics Features2.2.1 Using Computer Setup F10 Utilities 2.2 Computer Setup Utilities5. To apply and save changes, select Save Setting and Exit Computer Setup 2.2.2 Computer Setup MenuSetup Utilities and Diagnostics Features Computer Setup ContinuedService Reference Guide continuedComputer Setup Continued continued Computer Setup ContinuedSetup Utilities and Diagnostics Features Heading Computer Setup ContinuedOption DescriptionHeading Computer Setup ContinuedOption DescriptionHeading Computer Setup ContinuedOption DescriptionHeading Computer Setup ContinuedOption DescriptionHeading Computer Setup ContinuedOption Description2.3.2 Restoring the CMOS 2.3 Recovering the Configuration Settings2.3.1 Backing up the CMOS 3.2.1 FailSafe Boot Block ROM 3.1 Initial Configuration and DeploymentDesktop Management 3.2 ROM Flash3.2.3 Power Management 3.2.2 Dual-State Power Button2. In the Power Options Properties, select the Advanced tab 2. In the Power Options Properties, select the Power Schemes tab3.3.2 Establishing a Supervisor Password Using Computer Setup 3.3.1 Password Security3.3.3 Establishing a User Password Using Computer Setup 3.3 SecurityChanging a User or Supervisor Password Entering a User PasswordEntering a Supervisor Password current password Deleting a User or Supervisor Passwordcurrent password/new password/new password Clearing Passwords 3.3.4 Surge-Tolerant Power SupplyNational Keyboard Delimiter Characters National Keyboard Delimiter Characters4.1 SATA 3.0 Hard Drives Serial ATA Drive Guidelines and Features4.2.1 SATA Data Cable 4.2.2 SATA Power Cable4.2 SATA Hard Drive Cables 4.4 Drive Capacities 4.5 SATA BIOS4.3 SATA SMART Drives 5.1 Chassis Designations Identifying the Chassis, Routine Care, and Disassembly Preparation5.1.1 Microtower MT dx2310 MTIdentifying the Chassis, Routine Care, and Disassembly Preparation dx2318 MTService Reference Guide Note dx2318 MT is only for China Market5.2.2 Preventing Electrostatic Damage to Equipment 5.2 Electrostatic Discharge Information5.2.1 Generating Static 5.2.5 Recommended Materials and Equipment 5.2.3 Personal Grounding Methods and Equipment5.2.4 Grounding the Work Area 5.3 Routine Care 5.3.1 General Cleaning Safety Precautions5.3.2 Cleaning the Computer Case 5.3.5 Cleaning the Mouse 5.3.3 Cleaning the Keyboard5.3.4 Cleaning the Monitor 5.4.2 Screws 5.4 Service Considerations5.4.1 Tools and Software Requirements 5.4.4 Hard Drives 5.4.3 Cables and Connectors5.4.5 Lithium Coin Cell Battery 6.1 Preparation for Disassembly Removal and Replacement Procedures- Microtower MT Chassis6.2.1 Access Panel MT Chassis 6.2 Remove the computer access panel and front bezel MT chassis6.2.2 Front Bezel MT Chassis Removing a Bezel Blank 6.3 Front Drive Bezels6.3.1 Removing a 5.25 Drive Bezel Blank/MT Chassis 6.4 Memory 6.4.1 Installing Memory Modules/MT chassis6.5.1 Expansion Slot Cover Lock 6.5 Expansion Cards6.5.2 PCI/PCIe Expansion Card 6.5.3 Installing an Expansion Card 8. Fix the screw to secure the expansion card in place 6.5.4 Removing an Expansion Card 6.6 Cable Management 6.7.1 Locating Drive Positions 6.7 DrivesDrive Positions 6.7.2 Removing a DriveReleasing the Hard Drive Cage Removing the Hard diskRemoval and Replacement Procedures- Microtower MT Chassis Disconnecting the Hard Drive CablesService Reference Guide Removing the Hard Drive CageRemoving the Hard Drive 6.8 Front I/O Panel Housing Assembly - MT chassis 6.9 System Fan 6.10 Heatsink - MT chassis 6.11 Processor 5. Go to step 6.12 System Board 6-23 Removal and Replacement Procedures- Microtower MT Chassis490778-001 6.13.1 Battery Holder 6.14 Power Supply Enhanced Keyboard Connector Pin AssignmentsMouse Ethernet RJ-45Microphone Serial Interface, Powered and Non-PoweredParallel Interface Line-In Audio HeadphoneLine-Out Audio Monitor4-Pin Power for CPU 24-Pin PowerGeneral Requirements Power Cord Set RequirementsPOST Error Messages POST Error MessagesIf POST detects an error POST Error MessagesIf the system cannot boot configuration with a set ofPOST Error Messages POST Error MessagesPreliminary Checklist Troubleshooting Without DiagnosticsSolving General Problems MConnecting the battery. See the Hardware ReferenceRTC battery Guide on the Library CD forIniternal error has occurred and the computer is flashing a code Power LED is flashing and computer will not startcontinued Press any key or click the mouse buttondeselect the automatic settings for the Solving Hardware Installation Problems3. If you still cannot resolve the issue, contact Customer Support Wrong memory modulesInterpreting Diagnostic Lights and Audible Codes Solving Display Problems Solving Display ProblemsChange requested resolution Solving Display Problems Continuedcontrast controls are not securely connected to the graphicsThe font you are using Solving Display Problems ContinuedSolving Audio Problems Solving Audio ProblemsProblem Solving Audio Problems ContinuedSolution CauseSolving Printer Problems Solving Printer ProblemsSolving Keyboard Problems Solving Keyboard and Mouse ProblemsSolving Network Problems Solving Network Problemsthe Restore Plus! CD Solving Network Problems ContinuedSolving Memory Problems Solving Memory ProblemsSolving Processor Problems Solving Processor ProblemsSolving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsSolving Internet Access Problems Solving Drive Key ProblemsSolving CD-ROM and DVD Problems Continued Solving DiskOnKey ProblemsWindows XP Solving Internet Access Problems ContinuedVerify that the correct modem speed Solving Internet Access Problems ContinuedFor Windows XP Diagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible Codesfollowed by a 2 second pause. Also 8 simultaneous beeps will be heard Diagnostic Front Panel LEDs and Audible Codes ContinuedActivity Diagnostic Front Panel LEDs and Audible Codes ContinuedBeeps Possible CauseDiagnostic Front Panel LEDs and Audible Codes Continued Restoring the SoftwareContacting Customer Support Memory