HP dx2310 manual Diagnostic Front Panel LEDs and Audible Codes

Page 93

Troubleshooting Without Diagnostics

Diagnostic Front Panel LEDs and Audible Codes

Diagnostic Front Panel LEDs and Audible Codes

Activity

Beeps

Possible Cause

Recommended Action

 

 

 

 

Green Power LED

None

Computer on.

None

On.

 

 

 

Green Power LED

None

Computer in

flashes every two

 

Suspend to RAM

seconds.

 

mode (some

 

 

models only) or

 

 

normal Suspend

 

 

mode.

Not support wake up by mouse/ keyboard.

Should be Press Power button.

CPU Fan weak

2

Processor thermal

1.

Ensure that the computer air vents

(RPM < 1000) or

 

protection

 

are not blocked and the processor

not turning, Display

 

activated:

 

cooling fan is running.

Warning message

 

A fan may be

2.

Open hood, press power button,

and Long Beep for

 

blocked or not

 

and see if the processor fan spins.

5 sec and shut

 

turning.

 

If the processor fan is not

down.

 

OR

 

spinning, make sure the fan's

System Fan weak

 

 

 

The heatsink/fan

 

cable is plugged onto the system

(RPM < 1000) or

 

 

board header. Ensure the fan is

 

assembly is not

 

not turning, Display

 

 

fully/properly seated or installed.

 

properly attached

 

Warning message

 

3.

If fan is plugged in and seated

 

to the processor.

and Long Beep for

 

 

 

 

properly, but is not spinning, then

5 sec and shut

 

 

 

 

 

 

replace processor fan.

down.

 

 

 

 

 

4.

Reseat processor heatsink and

 

 

 

 

 

 

 

verify that the fan assembly is

 

 

 

 

properly attached.

 

 

 

5.

Contact an authorized reseller or

 

 

 

 

service provider.

 

 

 

 

 

Red Power LED

5

Pre-video memory

1.

Reseat DIMMs. Power on the

flashes five times,

 

error.

 

system.

one every second,

 

 

2.

Replace DIMMs one at a time to

followed by a 2

 

 

 

 

 

isolate the faulty module.

second pause. Also

 

 

 

 

 

3.

Replace third-party memory with

5 simultaneous

 

 

 

 

 

HP memory.

beeps will be

 

 

 

 

 

4.

Replace the system board.

heard.

 

 

 

 

 

 

Red Power LED

6

Pre-video

For systems with a graphics card:

flashes 6 times, one

 

graphics error.

1.

Reseat the graphics card. Power

every second,

 

 

 

 

 

on the system.

followed by a 2

 

 

 

 

 

2.

Replace the graphics card.

second pause. Also

 

 

 

 

3.

Replace the system board.

6 simultaneous

 

 

beeps will be

 

 

For systems with integrated graphics,

heard.

 

 

replace the system board.

 

 

 

 

 

D–22

490778-001

Service Reference Guide

Image 93
Contents Service reference guide April Service Reference GuideService Reference Guide Contents Removal and Replacement Procedures-Microtower MT Chassis Service Reference Guide 490778-001 Microsoft Windows XP/Windows Vista/ Redflag Linux Installing the Operating SystemHP Software Converting to Ntfs Associated with Windows OSPower-On Self-Test Post Setup Utilities and Diagnostics FeaturesUsing Computer Setup F10 Utilities Computer Setup UtilitiesSetup Utilities and Diagnostics Features Computer Setup Menu Computer SetupHeading Option Description For each, allows you to CD-ROM Onboard Lan ROM Dvmt Mode Combined Mode Parallel port Allows you to select a setting for the onboard S1 POS Bios can automatically configure all Recovering the Configuration Settings Backing up the CmosRestoring the Cmos FailSafe Boot Block ROM Initial Configuration and DeploymentDesktop Management ROM FlashPower Management Dual-State Power ButtonEstablishing a Supervisor Password Using Computer Setup Password SecurityEstablishing a User Password Using Computer Setup SecurityEntering a User Password Current password Current password/new password/new passwordNational Keyboard Delimiter Characters Surge-Tolerant Power SupplySerial ATA Drive Guidelines and Features Serial ATA Hard Drive CharacteristicsSata 3.0 Hard Drives Sata Hard Drive Cables Sata Power CableSata Data Cable Pin Number Usage Device Plug Host PlugSata Smart Drives Drive CapacitiesWindows 2000, XP, Vista, and Linux Microtower MT Chassis DesignationsDx2318 MT Generating Static Electrostatic Discharge InformationPreventing Electrostatic Damage to Equipment Relative Humidity Event 55% 40% 10%Grounding the Work Area Personal Grounding Methods and EquipmentRecommended Materials and Equipment Static Shielding Protection Levels Method VoltageGeneral Cleaning Safety Precautions Cleaning the Computer CaseRoutine Care Cleaning the Keyboard Cleaning the MonitorCleaning the Mouse Service Considerations Tools and Software RequirementsScrews Cables and Connectors Lithium Coin Cell BatteryHard Drives Preparation for Disassembly Removal and Replacement Procedures- Microtower MT ChassisAccess Panel MT Chassis Remove the computer access panel and front bezel MT chassisFront Bezel MT Chassis Removing a 5.25 Drive Bezel Blank/MT Chassis Front Drive BezelsMemory Installing Memory Modules/MT chassisExpansion Slot Cover Lock Expansion CardsRemove the slot cover lock .5.1, Expansion Slot Cover Lock 2 PCI/PCIe Expansion CardRemoving the Expansion Slot Cover Installing an Expansion CardRemoval and Replacement Procedures- Microtower MT Chassis Removing an Expansion Card Cable Management Locating Drive Positions DrivesRemoving a Drive Drive PositionsItem Description Removing the Hard disk Lift the hard disk drive cage out of the chassis Removing the Hard Drive Front I/O Panel Housing Assembly MT chassis System Fan Heatsink MT chassis Processor Removal and Replacement Procedures- Microtower MT Chassis System Board 490778-001 Battery Holder Power Supply Connector and Icon Pin Signal Connector Pin AssignmentsEnhanced Keyboard MouseConnector and Icon 1/8 miniphone Pin Signal Serial Interface, Powered and Non-PoweredParallel Interface MicrophoneLine-In Audio HeadphoneLine-Out Audio MonitorPin Power Pin Power for CPUConnector Pin Signal General Requirements Power Cord Set RequirementsPost Error Messages Post Error MessagesScreen Message Probable Cause Recommended Action During memory testing Post Error Messages Preliminary Checklist Troubleshooting Without DiagnosticsSolving General Problems Problem Cause SolutionStandby mode Num Lock key Press any key or click the mouse button Solving Hardware Installation Problems Interpreting Diagnostic Lights and Audible Codes Solving Display Problems Solving Display ProblemsSelect Enable VGA Mode Set properly Font you are using Solving Audio Problems Solving Audio ProblemsSolving Audio Problems Solving Printer Problems Solving Printer ProblemsWhere printer port is DIR C\ printer portSolving Keyboard Problems Solving Keyboard and Mouse ProblemsSolving Network Problems Solving Network ProblemsRestore Plus! CD Solving 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 DiskOnKey Problems Solving Internet Access ProblemsPanel Select Start ControlOptions Delete Cookies buttonProperties Click the Device ManagerDiagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible CodesActivity Beeps Possible Cause Recommended Action Diagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible Codes Contacting Customer Support Restoring the SoftwareMemory
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dx2310 specifications

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